Starrett 22C Drill Point Gauge, Hook Rule, 59 Degree Head Bevel Angle, 1/32" Head Graduations, 6" Length

• The head is bevelled to 59 degree (the correct drill point angle)
• It is also graduated in 1/32" along the 59 degree face for measuring the drill lips which should be of equal lengths
• The hook rule has accurate, machine-divided graduations in 1/8", 1/16", quick-reading 1/32" and 64"
• Hook is adjustable and can be shortened or extended on either side of the rule and may also be removed if desired
• This gage was designed specifically for use in drill grinding, It provides a quick, accurate way for determining the correct drill point angle of 59 degree and the correct length of drill lips necessary for clean-cut drilling at maximum feeds and speeds

This gage was designed specifically for use in drill grinding. It provides a quick, accurate way for determining the correct drill point angle of 59º and the correct length of drill lips necessary for clean-cut drilling at maximum feeds and speeds.