3-1/2", Allen
US Fasteners, 3-1/2", Allen |
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Socket screwsScrews with an Allen wrench drive. |
Set screwsScrews with no head and machine threads for use in a tapped hole. |
Shoulder boltsScrews with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts. |
Associated Products, 3-1/2", Allen |
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Driver bitsDriver bits are available in various drive types and bit styles. |