threading taps
vermont american . 63 18 nf fractional size plug taps 20081
for cutting all types of internal threads tough carbon alloy tool steel for long life drill size permanently marked on each tap 3 5 threads chamfered carded 63 18nf use drill size 37 64 length 7 6 width 1 2 height 2 sku jnsn22045
vermont american