Drill Metal White 4.0Mm/Ar /10Pcs

This drill is made of high-speed steel (4241) with a hardness of 62°HRc (+/-2°), a 118° point angle, and a straight grind without chisel edge correction. Suitable for hand sharpening. Diameter tolerance h8.

This right-hand, twist drill features a type N spiral, hot-rolled on forging rolls, offering high flexibility and torsional strength, with ground tips. The cylindrical shank matches the drill diameter.

The drill surface is coated with an oxide layer, ensuring a low coefficient of friction, reducing the risk of chips sticking to the drill, and increasing drilling efficiency. Designed for general use, machining alloy and carbon steels with a hardness up to 250 Bhn, gray cast iron, non-ferrous metals, and hardened plastics.

Complies with DIN-338. Use with coolant is recommended. Diameter: 4.0mm.

EAN: 5900171530403 Size: 0mm