HSS TWIST DRILLS / METAL DRILLING

HSS Twist Drills Metric are hard, and much more resistant to heat than high carbon steel. They can be used to drill metal, hardwood, and most other materials at greater cutting speeds than carbon steel bits

DRAPER Quality HSS Twist Drills sizes 1/64" - 1/2" are hard, and much more resistant to heat than high carbon steel. They can be used to drill metal, hardwood, and most other materials at greater cutting speeds than carbon steel bits

4 - 20MM - for metal drilling.