drill bit extensions
vermont american 4 40 nc no. 43 tap & drill combination 21660
for drilling the proper hole size and cutting internal threads produced to exacting specifications four flutes for maximum chip clearance drill size permanently marked on each tap includes carbon steel tap with matching high speed steel drill bit made in usa carded 4 40nc machine type of bolt screw use drill size 43 length 6 width 0 4 height 2 sku jnsn10811
vermont american