Hand Tap SKC 7/16X20UNF to create thread / drat on work objects manual / Hand Price PER SET of 3 Hand Tap SKC in packaging - Tap Number 1 (Taper) Taper tip for early stage of workmanship - Tap number 2 (Plug) slightly tapered for next workmanship - Tap number 3 (Bottoming) not drain for non-translucent holes
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