This section provides an overview for core drills as well as their applications and principles. Also, please take a look at the list of 21 core drill manufacturers and their company rankings.
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Core drills are drills widely used in construction sites to drill large cylindrical holes in concrete, plasterboard, mortar, bricks, and other materials.
By simply changing the cutting edge, core drills can drill holes into various materials used in construction work. In air conditioner installation, water piping, and electrical wiring work, core drills are indispensable tools at home construction sites. They can drill large-diameter holes that cannot be drilled with ordinary drills in a single shot and are highly efficient.
Drill bits cannot drill holes larger than 100 mm in diameter, and the materials to be drilled are limited. Core drills are attached to the tip of an electric hammer drill, etc., and the cutting edge is selected to suit the material to be drilled.
There are various types of core drill cutting edges, including "multi-type" for various materials such as reinforced plastic, siding, and PVC pipe, "for ALC," which is hard and has reinforcement striations and is difficult to process, and dry and wet types.
Core drill selection is first divided into wet or dry type. The dry type drills without using water, so it is not affected by the environment and can be drilled anywhere without the need for curing. Wet processing enables high-speed processing by using water, and the blade can last longer, but it requires an environment for drainage and curing, and a separate water supply facility must be provided.
In addition to the ALC and multiple types mentioned above, there are also "vibration core drills," which use vibration to drill holes while crushing the material, and "composite core drills," which can drill holes in multiple materials simultaneously, such as metal and insulation materials. The vibration type is used for hard and difficult-to-machine materials, and the processed holes are clean because there is little cracking.
The composite material type is capable of drilling holes in walls made of multiple materials, which is difficult with the vibrating type, and in wood that has nails in it.
*Including some distributors, etc.
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Star Cutter Company was founded in 1927 and is headquartered in Farmington Hills, Michigan. The company is an ISO 9001:2015 certified manufacturer of tool grinders, and precision cutting tools, and a provider of tool services. The company’s tool grinding machines include the small-footprint NXT Tool Grinder and the scalable UTG Series Broach Grinder. The company’s precision cutting tools include bits, blanks, and preforms. The company also offers tool services including round tool reconditioning, gear tool resharpening, and tool engineering services. Tool engineering includes the design and manufacture of all aspects of tools from materials to size to coating.
Superb Tooling, Inc. was founded in 1985 in Ferdinand, Indiana. The company supplies tooling supplies to manufacturers globally. The company is continually improving tooling design and manufacturing processes to make customers happier and more profitable. The company offers products including power and hand tools, blades, custom tooling equipment, and other general supplies and consumables. The company's product offerings include both custom-inhouse designs as well as those by popular brands such as Bosch and Dewalt.
Dynatech is based in Elyria, Ohio. Dynatech is a manufacturer of saw blades and other cutting equipment. Dynatech’s product and service categories include PCD grinding heads, PCD scarify heads, pavement marking diamond saw blades, custom truck systems, skid steer attachments, rider saws, specialty equipment, raised pavement market installations, dry cutting & wet cutting saw blades, diamond core drill bits, and PCD flooring heads. Dynatech also offers grooving installations using spacers, as well as saw blades for tape installation and line removal.
Western States Hardware was founded in La Puente, California in 1968. Western States Hardware serves customers across the United States, offering products in a number of categories including: nuts, screws, & bolts, metric nuts, screws, & bolts, drills & cutting tools, saw blades, electrical connectors, pipe nipples, & pipe fittings, industrial brushes, parker brass fittings & valves, anchors, abrasive pads, belts, & discs, chain & rigging accessories, various tools, valves, staple & nail guns, power & insert bits, and hoses, tubing, & clamps. Altogether, Western States Hardware offers over 750,000 products available.
Fastenal Company was founded in 1967 and is headquartered in Winona, Minnesota. Fastenal is a distributor of industrial and construction supplies globally. Fastenal serves numerous industries including electrical, plumbing, farmers, truckers, railroads, mining, and energy exploration, production, and refinement industries. Fastenal’s products include threaded fasteners, bolts, nuts, screws, studs, and related washers, which are used in manufactured products and construction projects, as well as in the maintenance and repair of machines. Fastenal also offers miscellaneous supplies and hardware, including pins, machinery keys, concrete anchors, metal framing systems, wire ropes, strut products, rivets, and related accessories.
Ohio Power Tool, Inc was founded in Columbus, OH in 1983. OPT has 3 primary operating segments: sales, rental, and repair. Sales and rental segments include air compressors and other air tools, concrete & masonry saws, concrete core drills, cordless and electric corded tools, gas detection, generators, hand tools, hydraulic cylinders and pumps, inspection equipment, jobsite cleanup equipment, ladders and lifting equipment, levels, pipe cutting & threading equipment, as well as safety and storage equipment. The repair segment includes testing and recalibration and uses factory parts.
Wharton Hardware and Supply is a family-operated business that was founded in 1948 in Philadelphia, Pennsylvania and has branched to several locations across the United States. Wharton operates in 3 segments: products, sales & rental, and services. The products segment includes road & bridge concrete accessories, safety equipment, abrasives and cutting tool products, plumbing-related products, topological products, fasteners, bits and drill equipment, as well as power tools. The sales & rental segment offers heavy duty construction equipment from major brands. The services segment includes repair and testing for tools and equipment.
Amtek Tool and Supply, Inc. based in Madison Heights, MI. Amtetk is an online super market for tools, supplies, and other hardware for individual, professional, and corporate customers. Product types include milling, threading, and turning devices, tooling systems, saws, broaching and deburring bits, cutting tool blanks and spares, abrasives, power tools, hand tools, safety equipment, measuring devices, lubrication, sanitation supplies, storage, pneumatics, shipping supplies, transmissions, and various other hardware and shipping supplies. Amtek’s online storefront offers precise filters to help find exact products to meet customer needs.
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.
Toolsavings, LLC is based in Chicago, Illinois and is a supplier and distributor of industrial supplies for both individual and corporate customers. Toolsavings offers an extensive catalog spanning over 10 categories such as Cutting Tools, Toolholding, Air and Power Tools, Fasteners, and Measuring Instruments from brands such as 3M and Destaco. Cutting tools include drills, reamers, and saws. Toolholding includes boring heads, retention knobs, and sawholders. Air and Power Tools includes blow guns, grinders, and tire gages. Fasteners includes screws and pins. Measuring instruments includes calipers, microscopes, and squares.
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.
Metro Industrial Supply, Inc. is headquartered in Garfield, New Jersey. The company is a distributor of power transmission equipment factory & mill supply original European replacements parts, portable gas detection systems, proximity & photoelectric sensors. A few of the brands for which the company is a United States distributor include Balluff, Bosch, Garlock, Goodyear, Siemans, and ZKL. Many brands and products not listed online can be ordered by contacting the company directly by email or by phone call.
Atlantic Equipment is headquartered in Massachusetts with offices across the Atlantic Seaboard. Atlantic Equipment is a distributor with services including rental and repair of construction and industrial equipment. Atlantic Equipment offers construction equipment, roofing equipment including roof power deck equipment, melters, on-deck equipment, hot air welding machines, and portable air compressors, safety equipment including cones, barricades, fall arrest carts, and warning line systems, various drill bits, chisels, and diamond blades, as well as hand tools including hand welders, caulking guns, torches, scissors, grizzly bards, and shingle roof tear-off shovels.
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