57-042-10 HSS-Co 7.0 mm metal drill bits, 10 pcs.

Brand: NEO TOOLS

HSS-Co 7.0 mm metal drill bit, 10 pcs. 57-042-10 by NEO TOOLS is a drill bit deeply ground according to DIN 338 and made of M35 steel with 5% cobalt addition. It uses an apex angle of 135° and type C shear correction. It has a cylindrical handle. The length of the working part is 69 mm and its overall length is 109 mm. The maximum speeds are: INOX 525-575 rpm, general metals 1050-1150 rpm. The purpose of this NEO TOOLS brand drill bit is to drill in demanding materials such as stainless, acid-resistant and heat-resistant steel.