57-024-10
HSS-Co 4.0 mm metal drill bits, 10 pcs. Brand: NEO TOOLS
HSS-Co 4.0 mm metal drill bit, 10 pcs. 57-024-10 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 43 mm and its overall length is 75 mm. The maximum speeds are: INOX 925-1000 rpm, general metals 1850-2000 rpm. The purpose of this drill bit by NEO TOOLS is to drill in demanding materials such as stainless, acid-resistant and heat-resistant steel.