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Fractional drill bit set by Craftsman. Fractional-inch drill bit sizes are still in common use in the United States and in any factory (around the globe) that makes inch-sized products for the U.S. market. ANSI B94.11M-1979 sets size standards for jobber-length straight-shank twist drill bits from 1/64 inch through 1 inch in 1/64 inch increments.
They are known for manufacturing drill bits that can drill square holes, [1] [2] including blind holes, which cannot be made with other methods such as broaching. The Harry Watts square drill bit is based on a Reuleaux triangle shape. It is used together with a guide and a particular chuck to make a square hole.
Hughes Tool Company was an American manufacturer of drill bits. Founded in 1908, [1] it was merged into Baker Hughes Incorporated in 1987. History.
Among motorcycles, cars, sports gear, cold-weather boots, foods and home goods, grills and coolers, tools, and more, find out which are made in the U.S. 51 Best American-Made Products You Can Buy ...
Irwin Industrial Tools is an American manufacturer and distributor of hand tools and power tool accessories. It is owned by Stanley Black & Decker . It is best known for producing Vise-Grip locking pliers .
Building upon the line of tools originally made by Forest City, North Bros. soon expanded their selection of offerings. Screwdrivers were joined by push drills, breast drills, hand drills (also called egg beater drills), hand powered bench drills, bit and braces, ratcheting tap wrenches, vises, cutting tools and small tool kits. [7]