57-040-10
HSS-Co 6.5 mm metal drill bits, 10 pcs. Brand: NEO TOOLS
HSS-Co 6.5 mm metal drill bit, 10 pcs. 57-040-10 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 63 mm and its overall length is 101 mm. The maximum speeds are: INOX 575-625 rpm, general metals 1150-1250 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.