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This section provides an overview for hexagon head cap screws as well as their applications and principles. Also, please take a look at the list of 10 hexagon head cap screw manufacturers and their company rankings. Here are the top-ranked hexagon head cap screw companies as of March, 2025: 1.Quality Socket Screw Mfg. Corp., 2.Anchor Bolt & Supply Co., 3.Standard Bolts & Nuts Sdn. Bhd..
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Categories Related to Hexagon Head Cap Screws
Hexagon head cap screws, also known as cap screws or socket screws, are fasteners with a hexagonal hole in the head, allowing for tightening with a hex key or Allen wrench. Unlike bolts that are typically used with nuts, these screws are designed to be used by themselves, securing components directly into threaded holes.
The design of hexagon head cap screws allows for ease of tightening in tight spaces where traditional wrenches might not fit, providing a space-saving solution for attaching small devices or components.
These screws are widely used in applications that require compact fastening solutions, including the assembly of TV stands, gaming chairs, and various other small devices. Offering high tightening force with minimal effort and eliminating the need for nuts, hexagon head cap screws are user-friendly, even for those with limited DIY experience.
The operating principle of hexagon head cap screws is straightforward: turning a hexagonal wrench tightens the screw. This mechanism allows force to be applied evenly across all six sides of the hexagon, facilitating easier tightening compared to screws that apply force to just two sides.
Commonly made from steel or stainless steel, hexagon head cap screws offer varying degrees of strength and rust resistance. Steel screws are strong and cost-effective but require surface treatments like black oxide coating to prevent rust. Stainless steel screws, while more expensive, offer greater strength and natural rust resistance.
Correct usage is crucial to prevent damage to the screw heads or the items being fastened. Ensure the correct size of the Allen wrench and the tightening direction to avoid damaging the screw holes or the assembled product.
Hexagon head cap screws may gradually loosen over time due to vibration or heat. Preventive measures include forceful tightening (without over-tightening), using thread-locking adhesives, or opting for screws with built-in anti-loosening features.
*Including some distributors, etc.
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Quality Socket Screw Mfg. Corp., founded in 1971 in Englewood, FL, is a manufacturer of speciality fasteners and short-run goods built to custom requirements. The items include various nuts, socket caps with button and flat heads, missile housings, round and spanner nuts, screws with head caps, socket sets, hex heads, and shoulder screws. The fasteners are slotted, painted, self-locking fasteners used in the engineering, power generating, oil & gas, tracking, and maritime industries. The items meet the specifications of ASME, ISO, SAE, blueprint, and DIN.
J.W. Winco was originally founded as Ganter in 1894 in Germany. Winco specializes in parts manufacturing. Parts offerings the operating parts segment including handles, adjusting, and positioning parts; clamping parts segment featuring tensioning, clamping, switching, and levers; and finally the machine parts segment with indexing, locking, mounting, connecting elements, guides, spindles, rollers, magnets, casters, and wheels. Winco’s complete catalog contains over 75,000 standard parts. Winco is also ISO 9001 certified. Winco offers free CAD downloads and technical documentation for many arts.
Strainsert began in 1960 and is headquartered in Conshohocken, Pennsylvania. Stransert is a designer and manufacturer of sensors used in research, testing, weighing, and control applications used in aerospace, automotive, marine, and other industrial applications including deep sea and Mars rover expeditions. Strainsert is AS9100 certified. Strainsert’s product lines include force sensing pins and bolts, flat load cells, force sensing tension links, and force measurement systems and instruments. Strainsert also offers a full range of calibration, repair, technical, and engineering services.
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.
Anchor Bolt & Supply, Co. was established in 1952 in Odessa, Texas to provide the Permian Basin region of West Texas with a readily available source of threaded fasteners. Today the company is a manufacturer and distributor of fasteners with over 14,000 line items on shelves as well as more that are available through vendors. The company has 11 product lines of fasteners as well as miscellaneous hardware & accessories such as paint, tape, and other materials. In addition to its product lines, the company offers 24-hour free customer service.
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.
SRI Supplies was originally founded in Concord, North Carolina in 1997. SRI stands for Supplies for Racing & Industry. SRI is a distributor and outsourcer to many top auto racing teams including Hendrick Motorsports and Team Penske as well as the NASCAR Technical Institute. However, SRI also sells to individuals. SRI supplies many types of products used in not just automotive, but other industrial uses as well as domestically. Product types include abrasives, adhesives, brushes, chemicals, fasteners, lubricants, cleaning systems, paint and related hardware, protective wear, towels, silicones, tapes, threadlockers, tools, and welding.
Nationwide Industrial Supply was founded in Youngstown Ohio in 2006. Nationwide Industrial Supply is a distributor of industrial equipment, serving both public and private institutions and companies in the United States and overseas. Some of Nationwide’s offerings maintenance, operating products, safety supplies repair products, storage equipment, tubing, pipe, and hose material, electrical and plumbing supplies repair and operating products, storage equipment, safety supplies, material handling equipment, shelving, and work platforms.
Standard Bolts & Nuts Sdn. Bhd., established in 1997, is a supplier of bolts, nuts, and various fasteners in Selangor Darul Ehsan, Malaysia. The company offers various products such as anchors, pins, clips, rivets, screws as well as sockets and washers, which are designed to meet specific client requirements. It strategically sources cost-effective products from many brands to fulfil the changing needs of its markets. The company has acquired both the Malaysia Power Brand Award and the Quality Excellence Award for trading.
Ranking as of March 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Quality Socket Screw Mfg. Corp. |
12.8%
|
| 2 | Anchor Bolt & Supply Co. |
12.8%
|
| 3 | Standard Bolts & Nuts Sdn. Bhd. |
11.5%
|
| 4 | Strainsert Co. |
11.5%
|
| 5 | Bolt Products Inc. |
10.3%
|
| 6 | SRI-Supplies For Racing & Industry, LLC |
10.3%
|
| 7 | J.W. Winco, Inc. |
10.3%
|
| 8 | Rainbow Nut and Bolt, Inc. |
9.0%
|
| 9 | Nationwide Industrial Supply |
6.4%
|
| 10 | Takachi Electric Industry Co., Ltd. |
5.1%
|
Derivation Method
The ranking is calculated based on the click share within the hexagon head cap screw page as of March 2025. 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
|
6 | 75.0% |
|
Japan
|
1 | 12.5% |
|
Malaysia
|
1 | 12.5% |
711 products found - Page 2
711 products - Page 2
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