Riss 300X Precision Ground HSS Drill Bits
Premium quality precision HSS drill bits for steel from Riss. Manufactured in Germany from high speed steel, the 300x drill flutes are fully ground after treatment for optimal accuracy.
In stock
SKU
E002-300XVxxxx
Premium quality precision HSS drill bits for steel from Riss. Manufactured in Germany from high speed steel, the 300x drill flutes are fully ground after treatment for optimal accuracy.
From 13.5mm and upwards, all drills have 12mm "blacksmith" reduced shank.
Technical Specification:
- Steel type: HSS high speed steel
- Hardness: 62/64 Hrc
- Treatment: heating and cooling on a carousel
- Manufacturing process: grinding
- Angle at the top 135 ° / helix angle 30 °
- Sharpening in a cross, self-centering, reinforced core
- Fully rectified
- Tolerance on diameter: h8
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