enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Henry F. Phillips - Wikipedia

   en.wikipedia.org/wiki/Henry_F._Phillips

   Phillips screw head. Henry Frank Phillips (June 4, 1889 – April 13, 1958) was an American businessman from Portland, Oregon. The Phillips-head ("crosshead") screw and screwdriver are named after him. [1] The importance of the crosshead screw design lies in its self-centering property, useful on automated production lines that use powered ...

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   In 1913, Woolley and Meredith defined them like Anthony, but gave the following dimensions: hex head cap screws up to and including 7 ⁄ 16 inch (11.1125 mm) have a head that is 3 ⁄ 16 inch (4.7625 mm) larger than the shank diameter; screws greater than 1 ⁄ 2 inch (12.7 mm) in diameter have a head that is 1 ⁄ 4 inch (6.35 mm) larger than ...

4. Screw - Wikipedia

   en.wikipedia.org/wiki/Screw

   Oval or raised head A decorative screw head with a countersunk bottom and rounded top. [40] Also known as "raised countersunk" or "instrument head" in the UK. [citation needed] Bugle head Similar to countersunk, but there is a smooth progression from the shank to the angle of the head, similar to the bell of a bugle. Cheese head Cylindrical ...

5. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   Pozidriv screws have a set of radial indentations (tick marks) set at 45° from the main cross recess on the head of the screw, which makes them visually distinct from Phillips screws. [ 11 ] While a Phillips screwdriver has slightly tapered flanks, a pointed tip, and rounded corners, a Pozidriv screwdriver has parallel flanks, a blunt tip, and ...

6. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   Phillips screw head. Meanwhile, in Portland, Oregon, Henry F. Phillips patented his own invention, an improved version of a deep socket with a cruciform slot, today known as the Phillips Screw. Phillips offered his screw to the American Screw Company, and after a successful trial on the 1936 Cadillac, it quickly swept through the American auto ...

7. Robertson screw - Wikipedia

   en.wikipedia.org/wiki/Robertson_screw

   Many screws used in electrical applications (for example, a typical NEMA 5-15R, breaker screws, and conduit screws) use a combination of a slotted/Phillips/Robertson screw head. A few tool manufacturers make bits to engage this screw head better than the traditional Phillips allowing for more torque before camout, for example, the C1 and C2 ...