SELF-TAPPING SCREWS TYPE A and AB, sheet metal screws
2013-12-1u2002·u2002We carry a full line of self-tapping screws with round head and pan head, flat head and oval head, truss head and hex head. These self-tapping screws are sometimes called sheet metal screws. They come in Type A which is a sharp point and coarse thread (fewer threads per inch). Type AB is sharp point and fine thread (more threads per inch).
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