24, US, Flat
US Fasteners, 24, Flat |
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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. |
Sex bolts & Mating screwsSex bolts resemble machine screws, but with internal threads, and can be used with either specialized mating screws or standard machine screws. Also known as barrel nuts and Chicago bolts. |