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Hughes Tool Company was an American manufacturer of drill bits. Founded in 1908, [1] it was merged into Baker Hughes Incorporated in 1987. History.
Previous logo. 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.
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.
The company also sells power tools, largely made by TTI, and wet/dry vacs, made by parent company Emerson. [4] Ridgid produced a pinup calendar from 1935 until 2016. [5] Early renditions featured the work of American pin-up artist George Petty. Models having appeared on the calendar include Raquel Welch and Brooke Burke. [6]
Building upon the line of tools originally made by Forest City, North Bros.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]
Example (inch, fine): For 7 ⁄ 16-20 (same diameter as the previous example, but this time with 20 threads per inch, which is considered fine), 0.437 in × 0.90 = 0.393 in (i.e., if the threads are to be fine, then a slightly larger diameter drill bit should be used before tapping the hole for the screw).