Vermont American 21667 Size 1/4 x 28 NC Tap No 3 Drill Bit Combo Product Details High Carbon Steel tap and drill bit combo sets are ideal for drilling the proper hole size and cutting internal threads. Recommended drill size is permanently marked on each tap.
Vermont American 21666 Size 1/4 x 20 NC Tap No 7 Drill Bit Combo Product Details High Carbon Steel tap and drill bit combo sets are ideal for drilling the proper hole size and cutting internal threads. Recommended drill size is permanently marked on each tap.
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