H.S.S. Super Drill Bits


High-speed steel (HSS) Super Drill Bits


  • High-speed steel (HSS) Super is a form of tool steel; HSS bits 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, and have largely replaced carbon steels.
  • High Performance


4mm, 10 pcs/ Pack