Drill Bit White HSS-G 0.9mm
Description
Drill made of high speed steel (4241), hardness 62° HRc (+/- 2°), apex angle 118°, straight cut without chamfer correction, suitable for manual sharpening.
Right-hand spiral drill, N-type, hot rolled forging rollers, high elasticity and torsional strength, ground blades.
The surface of the drill is covered with a layer of oxide, which ensures a low friction coefficient, reduces the risk of sticking drill shavings and increases drilling efficiency.
Intended for general applications, for machining alloy and carbon steels with hardness up to 250Bhn, gray cast iron, non-ferrous metals and hardened plastics.
Complies with DIN-338 standard. Diameter: 0.9mm