Guhring No 1083 25 Piece AeroX Cobalt M42 1.0 -13mm by 0.5mm drill bit set. The perfect drill for all handheld drilling applications. All Guhring drills are manufactured in Germany using quality German steel. Features & Benefits • Ideal for drilling with handheld power tools • Suitable for a wide range of metals • 8% Cobalt alloyed HSCO high speed steel for longer tool life • Optimised split point • Self centering capability • Better swarf evacuation • Less pressure required when hand drilling Specifications • Optimal Suitability: Steel, High-alloyed Steel, Stainless Steel, Grey Cast Iron, Spheroidal Graphite iron and Malleable Cast Iron, Aluminium and Other Non-Ferrous Metals, Special, Super and Titanium Alloys • Limited Suitability: Hardened Steel and Chilled Cast Iron • Guhring Partcode: 0.014 • Tool Material: M42 • Surface: TiSiN • Cutting Direction: Right • Machining Depth: ~5xD • Standard: DIN338 • Point Angle: 135° • Tolerance: h8 Contents • 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5,