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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