Type F machine screws, Star drive flat head type F (trailer screws), Steel black phosphate finish, Coarse (standard) thread, 20, 1"
Machine screw diameter is measured on the outside of the threads.
Type F machine screws, Star drive flat head type F (trailer screws), Steel black phosphate finish, Coarse (standard) thread, 20, 1" |
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Diameter and Thread count
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See also |
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Metric machine screwsScrews with machine threads for use with a nut or in a tapped hole. |
Socket screwsScrews with an Allen wrench drive. |