![Bosch Drill Bits HSS-R DIN 338 Packs of 10 Sizes 1mm - 6mm[1 mm]](http://cdn.shopify.com/s/files/1/2700/3712/products/DG_Domestics_673d1d52-d7f8-400a-9954-dae333d39ffb_{width}x.jpg?v=1554734564)
Roll-forged drill bits from Bosch are manufactured to DIN 338 comprising of a rolled spiral flute with ground point. HSS-R bits offer high elasticity from a low-heat manufacturing process, reducing the risk of breakage.
For drilling alloyed and unalloyed steel up to 900N/mm² tensile strength, non-ferrous metals, cast iron and hard plastics.