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The company made its first screwdrivers in 1834 but stopped in 1840, instead selling the handles and blades to smaller companies made at the Pratt, Read and Company Factory Complex. During World War II, the company continued producing screwdriver blades and suspended production of piano parts to manufacture Waco CG-4 gliders for the military. [5]
SK Hand Tools (styled earlier as S-K, now usually SK) is a tool company located in Sycamore, Illinois, with additional manufacturing facilities in China, Taiwan, and Colorado Springs, Colorado. [1] Outlets for their products include independent tool-truck dealers, auto parts stores, and major internet vendors such as Sears and Amazon.com .
Pentalobe screw sizes include TS1 (also known as P2 or 0.8 mm, used on the iPhone 4 and subsequent models), TS4 (also known as P5 or 1.2 mm, used on the MacBook Air [since late 2010], the MacBook Pro with Retina Display and the 2015 MacBook) and TS5 (also known as P6 or 1.5 mm, used on the 2009 MacBook Pro battery).
A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver has been replaced in many workplaces and homes with a more modern and versatile tool, a power drill, as they are quicker, easier, and can also drill holes. The shaft is usually made of ...
In 1882, James Harvey Williams and Matthew Diamond founded Williams & Diamond in Flushing, Queens, a drop forging business. [2] The business was relocated to Brooklyn in 1884 and took the name J.H. Williams & Co in 1887. The company was one of the first to offer mass-produced drop-forged hand tools. [3]
[3]: 85–86 They also allow the use of angled screwdrivers and trim-head screws. The socket-headed Robertson screws are self-centering and reduce cam out. They also stop a power tool when set, and can be more easily removed if painted over, or old and rusty. [3]: 85–86 In industry, they speed up production and reduce product damage.
There were 3 different size spring chucks, and therefore 3 different shank size tips or sometimes called points, to fit various models. Generally all tips made by North Brothers or Stanley were stamped with the corresponding number of the model screwdriver they would fit, but the stamped numbers are often difficult to see, so it's a good idea to know the size you need before you set out to ...
H. D. Smith & Co. was a tool manufacturing company based in Plantsville, Connecticut, founded by Henry D. Smith in 1850. [2]H.D. Smith & Co. hardware works was originally in Meriden, Connecticut began as a supplier to the carriage makers of New Haven, Connecticut.