AmazonHighSpeedSteel (HSS) provides good hot hardness when drilling 118 degree conventional point provides easy re-grinding Steam oxide finish reduces built-up-edge and helps lubricity Patented Silver ring provides clear diameter marking For use on machines or hand held applications
HighSpeedSteel (HSS) provides good hot hardness when drilling 118 degree conventional point provides easy re-grinding Steam oxide finish reduces built-up-edge and helps lubricity Patented Silver ring provides clear diameter marking For use on machines or hand held applications