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This section provides an overview for square head bolts as well as their applications and principles. Also, please take a look at the list of 53 square head bolt manufacturers and their company rankings. Here are the top-ranked square head bolt companies as of December, 2024: 1.BMB Fasteners, 2.Master Bolt, LLC, 3.Hi-Tech Fasteners, Inc..
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1985-2014: Worked for Alstom Corporation, ABB Corporation, and Gadelius Corporation, designing Jungstrom air preheaters and mechanical design of diamond soot blowers. (ABB Corporation: https://new.abb.com/jp)
2014-2021: Worked as an engineering and project manager at Alvos Inc.
https://www.linkedin.com/in/yoichi-hiroki-92192394/
Square head bolts and square head screws, are bolts with a square head (square or rectangular).
A square head bolt has a square head, whereas a hexagonal bolt has a hexagonal head.
"Diamond head bolts" and "T-Head Bolts" with a rectangular shape are also available as Square Head Bolts, but they are not classified as square head bolts.
Figure 1. Shapes of square, Rhombic, and T-type head bolt
The following are the standards for square head bolts:
Square head bolts are mainly used for construction reinforcement hardware. The square shape of the bolt head prevents the corners of the bolt head from wearing down and rounding off, even when tightened with a high torque, and thus allows for firm tightening with little possibility of damage.
Construction reinforcement hardware is hardware that is attached to the corners of timbers, such as beams and columns, to prevent warping and distortion and to reinforce the building structure. Square Head Bolts are used to fasten the hardware to the wood.
Compared to hexagonal bolts, square bolts have a larger contact area between the tool and the screw, so there is less slippage between the socket or wrench and the bolt head. Since the corners of the bolt head are less prone to wear, rounding, and damage, square bolts are used for screws that require high torque. It is used for screws that are strongly fixed or not to be removed, and can be turned without slipping the tool.
Figure 2. Shape of square bolt
Square head bolts are the same as the hexagonal bolt and are fastened to the object to be fastened by means of a screw (in this case, "screw" refers only to the screw shape). Like hex head bolts, square head bolts are tightened by inserting a tool such as a wrench or socket into the head of the bolt.
Square head bolts are threaded with metric coarse threads or inch threads. The length of square head bolts is indicated by the length of the shaft, including the threaded part, excluding the height of the bolt head, in the same way as the length of ordinary bolts such as hexagonal bolts.
There are two types of square head bolts. The bolts with a width other than the standard size are called "large square bolts."
In addition, three types of surface roughness are specified as the degree of bolt finish.
Square head bolts are made of materials with relatively low strength classifications are used for steel bolts. It is necessary to select the appropriate strength classification for the location and application.
However, commercially available square head Bolts are also available in stainless steel, such as SUS304, for use in locations where corrosion resistance is required.
Strength classifications and materials of bolts are as follows:
However, many commercially available square head bolts are uni-chrome plated to prevent rusting during storage.
Figure 3. Square bolt tightening tool
Common types of tightening tools include single-sided wrenches, T wrenches, and sockets (square holes). Sockets can be square (4-point) or octagonal (8-point), and octagonal sockets are called double 4-point sockets.
*Including some distributors, etc.
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The Fastron Co., established in 1942, is an ISO 9000-certified US designer and manufacturer of custom cold-headed parts. Their facility is located in Melrose Park, Illinois. The company produces client-specific screws with their own patented technology, Form-Fast, and Clamp-Fast. Further, they provide screw machine conversion services for cold-headed production, the process of moving material to form the desired shape. Their products can be manufactured in various sizes and materials, including steel, brass, silicon, and aluminum, thus they are applied in a wide range of uses, most notably electronics. Additionally, they provide sourcing services for international customers.
PennEngineering was founded in 1942 and is headquartered in Danboro, Pennsylvania. Through its brand, PEM, the company is a manufacturer of fastening tools for industries such as aerospace electronics, automotive electronics, medical, EV, and EV charging. The company has branches across the United States, Europe, and Asia through which it manufactures components in the same regions where they are used. The company has data sheets, CAD downloads, and other tools to assist customers in selecting the correct fasteners for their needs. These fasteners vary by technology, characteristics, and type of material onto which they are applied.
P&R is a manufacturer and supplier of mechanical components and assemblies in New Jersey and was established in 1970. The company provides technical support for designing, developing, producing, and supplying custom fasteners and casting for the OEM market. The manufacturing capabilities of P&R include cold heading, casting, stamping, machining, and injection molding, and the products are crafted using various materials like carbon, alloy, and stainless steel, with aluminum, and brass, and some non-metals like plastic, and rubber. Industries such as Automotive, Medical Equipment, Appliances, Consumer Products, and Aerospace benefit from P&R products.
Fastening Products Company, Inc. was established in 1971 and is located in Delaware County, Pennsylvania. The veteran-owned and ISO 9001:2015 certified company serves industries including military OEM, petrochemical, power generation, and mass transit as a manufacturer of many types of military and commercial fasteners. The company’s product lines of fasteners include screws, bolts, nuts, washers, pins, and others. The company customizes products to fit customer specifications and supply them within scheduled delivery dates.
Chicago Nut & Bolt is based in East Dundee, Illinois, and is a manufacturer of standard and custom fastener products for industries such as agriculture equipment, military, marine, railroad, and construction equipment. Chicago Nut & Bolt’s custom services include fastener engineering & prototyping, warehousing, rush work, and custom fasteners and bolts. Examples of custom fasteners and bolts in action are the Las Vegas City Center, Golden Gate Bridge refurbishing, Biosphere 2, and the “Son of Beast” roller coaster at King’s Island in Mason, Ohio.
BMB Fasteners Inc., established in 1976 and with facilities across the USA, is a manufacturer of military-specified hardware and components that include those for the aerospace, military, healthcare, and construction industries. From humble beginnings as a manufacturer of fasteners and then military-specified hardware, in 2016, the company further expanded operations to include the manufacture of industrial vending machines that come complete with stocking, an inventory system, sales tracking, and a product usage solution.
Big Bolt is a Bloomingdale, Illinois-based manufacturer and supplier of structural fasteners founded in 1977. The company produces a large selection of studs, bolts, screws, washers, and rods for use in various industrial applications in agriculture, construction, aerospace, and transportation. The company also produces specialty units including metric fasteners sized and measured to metric system standardizations, and ACME fasteners with trapezoidal threadings for use in motion control and power transmission. Custom engineering and secondary services provided by Big Bolt include milling, threading, heat treating, and plating.
Portland Bolt & Mfg. Co. is a manufacturer founded in 1912 in Portland, Oregon. The company produces large, nonstandard anchor bolts and construction fasteners. Its products are used all over the United States, Canada and more tha. 30 countries all over the world. It has carried out successful projects related to mining, power and energy, stadiums, rail and military. Its long lasting experience has allowed the firm to hold a high production capacity, making and exporting 6.8 billion pounds (3.08Kg) of anchor bolts and construction fasteners only in 2018.
Master Bolt, LLC, launched in 1984 and based in Elyria, Ohio, United States is a manufacturer of indu of industrial hardware. The company specializes in the manufacturing of industrial spikes, bolts, nuts and rivets. The company also produces washers, nuts, pins, rods and studs. These products are largely used in industrial machinery, production facilities, agriculture and farming machinery, defence, transport and energy. The company aims to develop production facilities by using the latest technology and customer service for impactful sales and business development.
Texas Specialty Fasteners (TSF) has honorably served as a distributor of hardware as a family-owned company since 1988 and is located in Wylie, Texas. TSF has both standard offering and custom manufacturing services of a wide range of products. These products include screws, nuts, bolts, washers, spacers & standoffs, precision parts, pins, wire handling, inserts, anchors, drill bits, taps, & dies, abrasives & sawblades, safety equipment, and miscellaneous equipment including rivets, handles, catches, and strut accessories.
SC Fastening Systems hailing from Macedonia, OH is an industrial and construction supply distributer that provides value-added services. Product lines include fasteners, concrete anchors, abrasives, cutting tools, safety, janitorial, welding, paints and chemicals, material handling, tools and equipment, electrical, hydraulics and pneumatics, and lifting and rigging. Additionally, SC Fastening Systems offers specialty parts for niche industries such as laundry chute parts and custom hinges. SC Fastening Systems also offers services including inventory management and supply chain solutions, modified parts, kitting, assembly and special packaging, and fire protection products and services.
Sales Systems Ltd, formed by William C. Creecy, is a distributor of Market Standard and Military Specification Threaded Fasteners, including nuts, sockets, screws, pipe hangers, and cable ties. The company, headquartered in Portsmouth, VA, has two Mid-Atlantic distribution locations and offers metallurgical and non-destructive testing, mechanical testing, and chemical analysis services. The company is ISO 9001:2008 certified and provides products that fulfill requirements and Sales Systems standards to the petrochemical, automotive, construction, power transportation, and fiber industries.
Rainbow Nut and Bolt, Inc. was founded in August 1978 in Santa Ana, California. The company is a distributor of various fastening products including special finishing coating and reworking services. The company sells a complete line of fasteners including nuts, bolts, socket products, anchor products, and screws. The 16 materials available for refinishing include blue zinc, black oxide, and nickel. Reworking services including special cut to length, re-threading, re-tapping, drilling, and bending.
Production Materials Inc. was founded in 1981 and headquartered near Chicago in Wheeling, Illinois. The company is an ISO 9001:2015 certified distributor of fasteners and related components such as nuts, washers, and bolts to manufacturers as well as individuals. The company provides option types such as material, coating, and threading. The company also prototypes and designs parts and offers customization options on many of the parts available. The company also assists customers in the consolidation and standardization of existing parts along with inventory management assistance.
Paramount Fasteners was founded in 1988 and is based in Santa Fe Springs, California. Paramount Fasteners supplies both common and rare industry standard nuts, bolts, screws, and other fastener products. Materials that Paramount Fasteners uses include B16, B8, B8M, B16, B7, 16-4, 17-7, Inconel, Hasteloy, and Monel and provided in 300 series stainless steel, 316 stainless steel, brass, bronze, carbon steel, nylon, and plastic. Paramount Fasters also distributes parts that have painted heads, hot dip galvanized, zinc plated, cad plated, black oxided, chrome plated, and flour coated.
Nova Fasteners Co., Inc. are a distributor of Threaded Fasteners and Anchors since 1948 and is based in New York. The company's inventory consists of anchors that are of different shapes, sizes, and materials for various applications such as there are wedge anchors, sleeve anchors plastic anchors, and so on. There are also numerous types of screws like Machine screws, Concrete screws, Tapping screws, and more including various nuts and bolts for different purposes. You can also get Structural Washers which are heat treated for durability and other Zinc and Nickel plated washers at Nova Fasteners.
National Bolt & Nut Corporation is based in Schaumburg, Illinois. National Bolt & Nut is a distributor of bolts, nuts, and related tools, serving the heavy equipment & construction, mining, transportation, automotive, and alternative energy industries. National Bolt & Nut is ISO 9001 certified. National Bolt & Nut product listings include standard and custom nuts, spacers, and washers with assorted head styles. Other offerings include a variety of screws, pins, and sprockets.
Morton Machine Works was founded in 1939 and is headquartered in Millersburg, Pennsylvania. The company is a manufacturer of tooling components supplying to industrial distributors, catalog houses, and OEMs throughout the world. The company offers custom manufacturing capabilities in an ISO 9001-certified facility for customers in industries such as metalworking, OEM, automotive, aerospace, and medical industries. The company’s product categories include various fasteners, plungers, leveling pads, locating components, and work holding components.
Mil-Spec Fasteners, Corp. is based in Hampstead, Maryland. And is a distributor of fasteners and related equipment. Mil-Spec can also manufacture custom designs in virtually any finish or material. Mil-Spec is ISO 9001:2008 compliant. Mil-Spec’s calibration system is also compliant to MIL-STD-45662A. Mil-Spec’s product categories include cap screws, washers, electronic hardware, bolts, inserts, screws, pins, nuts, rivets, as well as miscellaneous hardware including clamps, fittings, grommets, hinges, O rings, and retaining rings.
Interstate Screw Corporation was founded in Miami, Florida in 1956 as a faster distributor and now operates out of Hialeah, Florida with expanded offerings with shipping offered globally and direct delivers across South Florida. Interstate Screw Corporation offers self-tapping screws, self-piercing screws, self-drilling screws, bolts, cap screws and socket products, machine screws and washers, nuts and threaded inserts, heavy duty screws and hollow wall anchors, tamper resistant and miscellaneous products, eyes, hooks, and blind rivets, as well as penetrating oil and electrical connectors.
Hi-Tech Fasteners (HTF) was founded in 1988 and headquartered in Frederick, Maryland. HTF is a distributor of hardware components. HTF offers products in four product types: self-clinching fasteners such as studs and nuts, general fasteners & hardware, inserts, and components. HTF also offers a full line of PEM® Brand products including fasteners for metal sheets and panels, fasteners for BC boards and other non-ductile material, insert for plastics, bonding fasteners, rivet nuts, and fastener installation equipment.
Fasco Inc. was founded in 1978 and is headquartered near Chicago in Alsip, Illinois. The company is a global nut and bolt distributor with locations in the US and Taiwan. The company serves the automotive, transportation, furniture, OEM, and consumer appliance industry among others. Product offerings include fasteners such as bolts and screws, and also parts for steering and brake assemblies, cabling, and pins. The company’s services include Kansan, VMI, and Just-In-Time shipping services to facilitate the efficiency of ordering and customer inventory management.
Doran Specialties is based in Yorba Linda, California and is a distributor of a variety of fastening hardware and tools. Doran Specialties is 9001:2015 certified. Product categories include AN, MS, NAS, and BAC-certified fasteners including bolts, nuts, fittings, washers, rivets, screws, inserts, and pins. Doran Specialties’s other products include retaining rings, bushings, rods, cables, lanyards, captive screws and nuts, clams, connectors, semiconductors, fuses, keys, machine screws, set screws, spacers and standoffs, springs, wire forms, stampings, switches, washers, and wire. Additional aircraft-specific hardware include hook and loop fasteners, nylon fasteners, O-rings, and plugs.
Colonial TelTek was founded in 1972 and operates in King of Prussia, Pennsylvania. Colonial TelTek is a division of Colonial Electric Supplies. Colonial TelTek primarily serves the telecommunications and utility industries as a parts distributor and emergency service provider. Colonial TelTek is offers 8 major product lines including aerial hardware components, bridge conduit systems and conduit accessories, fiber optic cable and splice accessories, handholes and racking products, pulling products, PVC, HDPE, and fiberglass conduit, as well as tools and accessories.
Coburn-Myers Fastening Systems Incorporated was founded in Trainer, Pennsylvania in 1981. Coburn-Myers manufactures and distributes industrial fasteners and related products. Coburn-Myers focuses both on standard bolts as well as custom designs featuring hundreds of combinations of materials, head styles, heat treatment, secondary operations, and finishes. Types available include hex bolts, heat cap screws, 12-point bolds, and stocked cap screws. Primary product also include buts, fasteners, studs, hand tools, anchors, washers, and other standard products.
Bolt Products Inc. was established in 1947 and operates out of San Dimas, California. Bolt Products is a wholesale distributor of fastening tools both domestically and internationally and is ISO 9001:2015 certified as well as RoHS and WEEE compliant. Bolt Products offers many types of products including bolts and plastic fasteners, nuts, lug nuts, nut retainers, cap nuts, bushings, plugs, ball studs, brass inserts, stud receivers, cable ties, cordgrips, liquid-tight flexible conduits, marking systems, and clips.
Benchmark Fasteners, Inc. is based out of Carol Stream, Illinois. The company is a manufacturer and distributor of various varieties of fasteners and fastener-related items including drill bits, driver bits, and cable ties. The company’s product lines include standard and stainless-steel fasteners and socket screws in imperial and metric measurements. Custom options are also available for screw machine parts, stampings, CNC precision machine parts, and cold-headed parts. Additional services the company provides include poly-bagging for large or varied orders, technical assistance before and after ordering, secondary options customization of threading and plating and same-day shipping for in-stock products.
Associated Fastening Products, Inc. (AFP) was established in the early 1990s in Itasca, Illinois. AFP is a manufacturer and distributor of both standard and special fasteners for all uses, with many customers in the agriculture and gun manufacturing industries. Some of AFP’s product and service offerings include automatic screw machining, CNC services, brass fittings, standard fasteners, CNC machining, laser and waterjet cutting services, custom cold headed fasteners, metal stamping services, standard and special washers, cable ties, hardware kits and bagging, Swiss screw machining, inventory management, large diameter bolts, security fasteners, and wire form products.
All-Pro Fasteners, Inc., founded in 1976 with headquarters in the USA, is a manufacturer and distributor of fastening and related products suitable for various purposes, including heavy equipment, infrastructure, metal buildings, structural steel, and wind turbines. The company also provides its clients with industrial supplies and related products, offering a wide range of standard and tailored MRO, safety, and electrical supplies, utilizing its extensive network of global suppliers, distributors, and warehousing facilities. APF's customized supply chain services include VMI (vendor-managed inventory) to optimize their supply-side operations, shipping solutions for specific shipping requirements, and distribution plans.
U-BOLT-IT, INC. is a manufacturer and distributor of fasteners and lifting hardware founded in 1988 and based in Houston, Texas. The company offers various standard and custom bolts, nuts, screws, and cables. These include eye and U bolts, hex nuts, cable assemblies, and button socket head screws in a wide range of materials and coatings/finishes. U-Bolt-It products are primarily used by clients in the industrial manufacturing, marine, consumer goods, and off-shore sectors.
Supply Solutions was founded in the early 2000s and operates out of Stonewood, West Virginia. Supply Solutions is a wholesale distributor serving the telecommunications industry, including traditional CATV operators, independent telephone companies and FTTX providers, as well as the contractors that support these operations. Supply Solutions offers hardware including aerial hardware including sub-components and parts,, cables, conduits, fiber optics, power supplies, sealants, test equipment, drop & instillation products, FTTX equipment including optical enclosures, headend products, underground equipment, wireless equipment, poles, as well as test equipment.
Orr & Orr, Inc. has been offering wholesale distribution services since 1934 out of Bedford Park, IL. Orr & Orr emphasizes speed of order processing, shipping, and both customer and distributor satisfaction. Product categories that Orr & Orr offers include air conditioners, brake controls, cargo restraint equipment, door tracks, lighting equipment, fans, gas springs, heating equipment, hinges, plumbing supplies, seat belts, steps, toolboxes, hitch and towing products, various truck hardware, cables, battery products, safety equipment, and spring latches.
DistributionNow is a brand of NOW Inc. that was founded in 1862 and is headquartered in Houston, Texas. NOW is a distributor for downstream energy and industrial products for petroleum refining, chemical processing, LNG terminals, power generation utilities, and industrial manufacturing operations around the world. NOW provides consumable maintenance, repair, and operating supplies; pipes, valves, fittings, flanges, gaskets, fasteners, electrical products, instrumentations, artificial lift, pumping solutions, valve actuation and modular process, and measurement and control equipmen safety supplies, and personal protective equipment, as well as applied products and applications, including artificial lift systems, coatings, and expendable items. NOW also offers OEM equipment.
Jignesh Steel, established in 2008, in Mumbai, Maharashtra is a manufacturer of fasteners. The company manufactures stainless steel machine shaws, screws, stainless steel hex bolts, flat washers, hex nuts and stud bolts. The company has a 6500-square-foot production facility equipped with the latest technology. The company customizes the fasteners and applies various coatings like phosphate coating, anti-rust oil, painting, and ceramic coating. The company is known for custom marking and has a very stringent quality check process. The company factories have the technology to store test results and certificates digitally.
Definite Metal LLP., founded in Gujarat, India is a manufacturer of Brass and Copper Components including Brass Fasteners, Cable Glands, and Cable Gland Accessories. The company's product portfolio includes Hardware Components, Brass Precision Turned Components, Brass inserts, CNC Turned Components and Brass Valves. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company provides services such as Product Selection Guidance, Engineering Support, and Custom Manufacturing.
Sunrise Machination LLP, established in 2011, is an Indian manufacturer and supplier based in Pune, Maharashtra, specializing in refractory anchors and exotic metal products. The company offers metal fabrication services, including laser cutting, welding, and wire cutting. Additionally, the company provides metal machining services involving computer numerical control (CNC) turning, honing, and grinding. Furthermore, the company offers an array of exotic metal products such as compression fittings, fasteners, piping solutions, stamping parts, and refractory anchors. These products cater to various industries, including automotive, aviation, construction, defense, and forging. The company's offerings are also relevant in sectors like furnaces, pharmaceuticals, petrochemicals, and textiles.
Singhania International Ltd. is a manufacturer of carbon, alloy and stainless-steel wires. The company is based in Ludhiana, Punjab, India and has been in operation since 1995. The company specializes in producing, procuring and supplying steel wires as well as ferro alloys, steel rounds, ores and minerals, fasteners, and chemicals. Its product range includes ferro molybdenum, ferro titanium-70, ferro titanium-70, and low carbon ferro chrome-nitride serving sectors such as steel, construction and manufacturing industries. Singhania International offers services like technical consultation, training and customization.
ZAGO is a manufacturer of sealing fasteners established in 1993 and based in Newark, New Jersey, USA. The company primarily produces specialized fasteners designed to form a 360-degree seal for preventing fluids, gasses, or contaminants from leaking into or out of equipment. These include seal bolts or screws, switch boots that cover buttons or circuit breakers, and nuts. The company also offers custom product engineering, fabrication, and testing services for its clients with unique projects. It chiefly serves customers in the military, aerospace, and offshore renewable energy sectors.
Yangtze Railroad Materials, established in 1989, is a manufacturer and supplier based in Rosedale, Maryland, specializing in fasteners and fastening solutions for the railroad industry. The company offers standard and custom-made ferrous, nonferrous, and special alloy fasteners. Their product portfolio includes fasteners, rail clips, joint bars, spikes, and more. They also offer standard and custom castings. The company holds ISO 9001:2015 certification and has an Underwriter Lab-audited quality program for their products, programs and services.
Qualified Fasteners, Inc. was founded in 1990 and based in West Babylon, NewYork is a manufacturer of standard and custom fasteners that have applications in various industries. The company serves the navy, nuclear, marine, shipbuilders, and military industries by providing screws, bolts, nuts, washers, and threaded studs that are available with flat, hexagonal, slotted, square, and round heads. They are also capable of supplying military-specification fasteners and have received ASTM, ANSI, and NAS standards.
Custom Battery Cables, a manufacturer established in 2004 and headquartered in Apache Junction, Arizona, specializes in producing battery cables for the automotive sector. Its product range includes custom battery cables, military battery terminals, battery terminal covers, and battery hold downs. These components find application in the automotive industry to link batteries with electrical systems, suitable for automotive, marine, golf, and recreational vehicle use. Rush services are also offered, and some of its items are UL listed and RoHS compliant
ABB Electrification Canada is a subsidiary of industrial giant, ABB. ABB Electrification serves the data center solutions, oil, gas & chemicals, food & beverage, railway, infrastructure, and microgrids industries with solutions such as smart industry, E-mobility, smart living, smart power, smart cities, and smart distribution. Products include control systems, power electronics, UPS and power conditioning, industrial software, PLPC automation, robotics, power converters and inverters, medium voltage products, metallurgy products, control room solutions, and motors and generators.
Leland Industries Inc. was established in 1984 and is based in Canada as a manufacturer of fasteners. The company's range of products include special-purpose fasteners as well as bolts, nuts, screws, and washers, used for various industrial applications in industries such as agriculture, metal buildings, construction, and OEMs. They maintain anti-corrosion coating systems for all products and offers various coating services such as Hot Dip Galvanizing, Phosphate & Oil, and Black Zinc & Dichromate.
Suraj Metal Corporation started its operations in 1973 in Mumbai, India, as a prime manufacturer and supplier of alloy stainless and nickel products. The company is devoted to provide customers with global steel procurement services. They produce industrial goods that are durable, and have the necessary proportions. Round Bars, Forging, and Fasteners are just a few of this organization's Stainless Steel and Nickel Alloys products. They are always faithful to their ideals, which are congruent with ethical business methods.
Tank Truck Service & Sales, Inc. has been designing and building tank trucks since 1948 and is based in Warren, Michigan. The company is a manufacturer, assembler, and distributor of tank trucks and trailers. The company's product offerings include parts and components including tank truck equipment, bulk plant and storage tank equipment, dry break or dry disconnect fittings, valves, hose, hose reels, meters, swivel joints, gaskets, and pipe sealants. Tank truck offerings include refined fuel trucks and trailers, LGP trucks, and specialty tank trucks. Additionally, The company offers metalwork, equipment work, dot testing, paintwork, and sensor repairs.
George H. Seltzer & Co. is a US-based manufacturer of tooling components for machine tool tables operating since 1930 and headquartered in Folsom, Pennsylvania. Their products are sold under the branding of ZIP Machine Tool Accessories and feature T-bolts, hex nuts, U-clamps, washers, and other components used for fastening. While they offer components in metric sizes upon request, the company also serves the domestic market and offers same day shipping in the US through the aid of partnered industrial distributors.
G-Fast has its roots back to 1989 and is based in Chicago, Illinois. G-Fast is a distributor and custom manufacturer of machine tools and equipment. Product offerings include bolts, screws, nuts, rivets, washers, pins, springs, wireforms, retaining rings, clamps, clips, pins, handles, electronic access tools, hinges, knobs, latches, panel fasteners, quick release pins, and wire management. Parts are available across several standards and materials. G-Fast’s services include custom specialized bolts, screws, and nuts, contract manufacturing, CNC machining, and cold heading.
Fast-Rite was founded in 1992 and is headquartered in Glendale Heights, Illinois. The company is an ISO 9001:2015 certified manufacturer and distributor of fasteners, abrasives, tools, and accessories to manufacturing and other industries. The company has multiple distribution centers throughout the United States, as well as full-service sales, warehouse, and production facilities in both Mexico and Asia. The company offers rite-stock programs and optimization options. Rite-stock programs include customer-managed inventory, total VMI, virtual inventory, Kanban, and JIT programs. Optimization programs include assembly, automation, and robotics solutions.
Aspen Fasteners was founded in 1961 and headquartered in Las Vegas, Nevada. Aspen Fasteners is a distributor for industrial fasters. Aspen Fasteners offers an extensive line in both metric and inch standards of anchors, bolts, nuts, screws, washers, rings, pins, pipe plugs, rivets, inserts, rods, studs, spacers, standoffs, panel fasteners, and tools including adapters, drivers anchor setting tools, keys, measuring tools, screwdriver insert bits, and screwdriver power bits. Material types include aluminum, brass, copper, iron, lead alloy, monel nickel copper alloy, nylon, phosphor bronze, plastic, silicon bronze, stainless steel, steel, and zinc.
Plastic Engineered Products, Co. is owned by the Ryan Herco Flow Solutions Company and is a a distributor of fluid handling, control and high value filtration systems for corrosive and ultrapure systems. PEP offers both sales as well as services. Sales offerings include tubing, hoses, measurement & control devices, housings, tanks, and pumps. Services include custom plastic & fiberglass fabrication while field servies include emergency repair as well as maintenance and testing as well as fabrication and welding.
EFC International is headquartered in St. Louis, Missouri. The company is ISO 9001:2015 certified and a global distributor of specialty-engineered fasteners and components for industries including agriculture, automotive aftermarket, energy, furniture, and robotics. The company carries products from brands such as Armada Rubber, TRW, Atlas, and Avery Dennison. The company’s products include self-retaining nuts, cable management, lightweight & powertrain, rivets, and others. The company provides custom designs upon request such as carbon fiber and composite fastening.
Abatix was established in 1983 and has offices across the United States. Abatix is a distributor of products for the general construction, industrial safety, petrochemical, energy, environmental, hospital, fire and water restoration, and disaster response industries. Abatix product offerings include abrasives, adhesives, tapes, building material & hardware, chemicals, lubricants, electrical, fall protection, gloves, hand tools, janitorial & facilities maintenance, jobsite supplies, material handling, personal protective clothing, poly sheeting, bags, power tools, restoration & environmental equipment, safety equipment, signs, tags, labels, test equipment & instrumentation, and welding & soldering.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | BMB Fasteners |
8.6%
|
| 2 | Master Bolt, LLC |
5.7%
|
| 3 | Hi-Tech Fasteners, Inc. |
5.7%
|
| 4 | PennEngineering |
2.9%
|
| 5 | Custom Battery Cables |
2.9%
|
| 6 | Jignesh Steel |
2.9%
|
| 7 | Portland Bolt & Mfg. Co. |
2.9%
|
| 8 | Singhania International Ltd |
2.9%
|
| 9 | Definite Metal LLP. |
2.9%
|
| 10 | Suraj Metal Corporation |
2.9%
|
Derivation Method
The ranking is calculated based on the click share within the square head bolt page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
33 | 82.5% |
|
India
|
5 | 12.5% |
|
Canada
|
1 | 2.5% |
China
|
1 | 2.5% |
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Introducing bolts for joint plates used in railways. JIS E1107 was established in February 1952. Since then, JIS E1107, E1113, and E1114 have been ...
