Roll-forged drill bits from Bosch are manufactured to DIN 338 comprising of a rolled spiral flute with ground point. HSS-R bitsoffer high elasticity from a low-heat manufacturing process, reducing the risk of breakage.
For drilling alloyed and unalloyed steel up to 900N/mm˛ tensile strength, non-ferrous metals, cast iron and hard plastics.
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- plastic box
- 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm,
- 4mm, 4.5mm, 4.8mm, 5.5mm, 6mm, 6.5mm
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