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(All Except USA) For USA INC 01868 Canceled Replaced By SCREW, TAPPING: INC 41756, FIIG A003B, Appl Key SN. A hardened externally threaded fastener whose thread extends from a tapered end to the bearing surface of the head and is interrupted by flutes or slots to permit cutting its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
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