IRWIN NWKb 5.5mm drill bit

. . . METAL DRILL 5.5mm NWKb HSS-PRO DIN 340 IRWIN Metal drill bit. HSS-PRO with cylindrical shank is a ground drill bit with high quality industrial quality, characterized by high performance and durability. Compared to their previous oxidized version, they are 40% more efficient. They have innovatively designed tip shape (split cone), which makes it easier to center and start drilling without scoring first. Less feed force is also required. The drill bit is more flexible which reduces the risk of breakage especially when drilling with small diameters. The 118° universal tip angle allows drilling in various materials. HSS PRO is designed for drilling in low-carbon steel, non-ferrous metals non-ferrous metals, cast iron. It can also be used for wood and hard plastic. Manufactured according to DIN 340 standards Diameter: 5.5 mm Working length: 95 mm. Overall length: 140 mm.