18mm, 18-8
Metric Fasteners, 18mm, 18-8 (A-2) |
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Machine screwsScrews with machine threads for use with a nut or in a tapped hole. |
Socket screwsScrews with an Allen wrench drive. |
NutsNuts have internal machine threads, for use with machine thread bolts and screws. |
Shoulder boltsScrews with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts. |