Spiral drill INOX dia. 10.7 mm HSS-E Co5 N DIN 338 135 for tough and hard materials Angle135 Diameter10.7 mm Flute length94 mm Length, total142 mm RPM from, grey cast iron, white cast iron298 RPM RPM from, hard non-ferrous metals744 RPM RPM from, rust and acid-resistant steels298 RPM RPM from, soft non-ferrous metals893 RPM RPM from, steels over 700 N/mm595 RPM RPM from, thermoplastics, fibre-reinforced plastics (GRP/CRP) 446 RPM RPM to, grey cast iron, white cast iron744 RPM RPM to, hard non-ferrous metals1488 RPM RPM to, rust and acid-resistant steels595 RPM RPM to, soft non-ferrous metals1786 RPM RPM to, steels over 700 N/mm744 RPM RPM to, thermoplastics, fibre-reinforced plastics (GRP/CRP) 1191 RPM Spiral angle, from36 VersionINOX Packaging unit5 pieces Drilling tools with cross grinding for industrial uses. Fully ground, right-hand turning versions that produce precise drill holes thanks to their high concentricity and exact centring. PFERD offers spiral drills in the STEEL (1