Allen, 5/16", US
US Fasteners, Allen, 5/16" |
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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. |