drill bits & sets
hanson han20130 no. 30 high speed steel wire gauge screw machine length drill bit
black oxide finish for corrosion resistance numbered from 1 to 55 large to small drill exact size hole for tapping used where more precisely sized holes are required shorter length for increase strength and rigidity 135 split point up to and including 42 118 conventional point above 42 size 30 twist length 15 16 overall length 1 15 16 sku isn12851
hanson