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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 ...
Screwdriver bits in different sizes for Robertson screws. When Henry Ford tried the Robertson screws, he found that they saved considerable time in Model T production. When Robertson refused to license the design, Ford realized that the supply of screws would not be guaranteed, and chose to limit their use to his Canadian division. [4] [5] [6]
A pentagon screw drive uses five-sided fastener heads, and the fastener is known as a penta screw or penta bolt. It is designed to be intrinsically incompatible with many tools. Since five is an odd number, it cannot be turned by open-end or adjustable wrenches, which have parallel faces (and thus require a fastener with an even number of sides).
The trade name "Yankee" screwdriver was first marketed by North Brothers Manufacturing Company in ≈16 April 1895, with the No. ≠130 spiral ratchet screwdriver. Yankee soon became and still is a well-known name in automatic spiral ratchet screwdrivers , with several other models, and model improvements patented by North Bros. over a 40-year ...
Snap-on, Bahco, Blue-Point, Williams, CDI Torque Products, [27] Sun diagnostic tools in Europe and Brazil: Hand tools, air tools, power tools, diagnostic tools, assorted automotive tools Sortimo: Zusmarshausen, Germany: Sortimo: in-vehicle equipment, storage system for parts and tools Stanley Black & Decker: Connecticut, US
Klein Tools got involved in motorsports in 1994 to gain visibility with auto racing fans. [11] Drivers of Klein-backed cars included Jacques Villeneuve, who won the Indianapolis 500 and the CART championship in 1995; and Dan Wheldon (co-major sponsor with Jim Beam) as well as being an associate sponsor for all of Andretti-Green Racing, who won the Indianapolis 500 in 2005.
In January 2017, Apex Tool Group announced they would end the manufacturing of Allen and Armstrong hand tools in their Sumter, South Carolina manufacturing plant. With this, Apex Communications Director Kelly Rhoads confirmed the line would cease production on March 31. This ended production of the Allen brand in hex keys, L-key, and T-handle ...
An External Torx version exists, also known as Inverted Torx, where the screw head has the shape of a Torx screwdriver bit, and a Torx socket is used to drive it. The external "E" Torx nominal sizing does not correlate to the "T" size, (e.g. an E40 socket is too large to fit a T40 Torx bit, while an E8 Torx socket will fit a T40 Torx bit [6]).
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