Spiral drill INOX dia. 10.3 mm HSS-E Co5 N DIN 338 135 for tough and hard materials Angle135 Diameter10.3 mm Flute length87 mm Length, total133 mm RPM from, grey cast iron, white cast iron309 RPM RPM from, hard non-ferrous metals773 RPM RPM from, rust and acid-resistant steels309 RPM RPM from, soft non-ferrous metals928 RPM RPM from, steels over 700 N/mm618 RPM RPM from, thermoplastics, fibre-reinforced plastics (GRP/CRP) 464 RPM RPM to, grey cast iron, white cast iron773 RPM RPM to, hard non-ferrous metals1546 RPM RPM to, rust and acid-resistant steels618 RPM RPM to, soft non-ferrous metals1855 RPM RPM to, steels over 700 N/mm773 RPM RPM to, thermoplastics, fibre-reinforced plastics (GRP/CRP) 1237 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