Guhring No 201 24 Piece HSS 1.0 -10.5mm By 0.5mm drill bit set. Includes 4 standard tapping sizes: M4, M5, M8 and M12. Type N DIN 338. For drilling steel and cast steel, grey cast iron, spheroidal iron, sintered powder metal, German silver and graphite. 118° point angle. Supplied in a metal indexed case. All Guhring drills are manufactured in Germany using quality German steel. Specifications • Diameter: 1.0mm - 10.5mm • Increasing By: 0.5mm • Pieces in Set: 24 • Guhring Code No: 0.018 • Optimal Suitability: Steel, High Alloyed Steel, Grey Cast Iron, Spheroidal Graphite Iron, Malleable Cast Iron • Limited Suitability: Aluminium, other Non Ferrous Metals • Tool Material: HSS • Surface: Bright, Steam Tempered • Cutting Direction: Right • Machining Depth: ~5xD • Standard: DIN338 • Type: N • Point Angle: 118° • Tolerance: h8 Contents • 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5mm plus 3.3, 4.2, 6.8, 10.2mm • Case