HSS Tap American Standard UNC UNF UNEF UN UNS Straight Flute Thread Screw4-40 5-40 1/2 1/4 3/4 3/8 5/8 7/16 9/16 7/8 5/16 15/16

HSS Tap American Standard UNC UNF UNEF UN UNS Straight Flute Thread Screw4-40 5-40 1/2 1/4 3/4 3/8 5/8 7/16 9/16 7/8 5/16 15/16

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