ALLEN SOCKET SET SCREW (NF) (INCHES)

Allen socket set screw is a screw that is used to secure an object, by pressure and/or friction, within or against another object, such as fixing a pulley or gear to a shaft. A set screw is normally used without a nut (which distinguishes it from a bolt), being screwed instead in a threaded hole drilled in only one of the two objects to be secured. A set screw is often headless and threaded along its entire length, so that it will sit entirely inside that hole; in which case it may be called a grub screw or blind screw.

SIZES:

3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8" 3/4", 7/8, 1"

PITCH:

12TPI, 14TPI, 16TPI, 18TPI, 20TPI, 24TPI, 28TPI, 32TPI

LENGTH:

3/16" to 4"

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