Bosch Accessories Professional Metal Drill Bit HSS Cobalt (Diameter 4 mm)

Professional processing of alloyed and unalloyed steel, stainless steel V2A/V4A, grey cast iron, cast steel, acid and heat-resistant steels Diameter x working length x total length: 4 x 43 x 75 mm, according to DIN 338 For all drills with round shank drill holder Precision drill bits with pronounced heat resistance and wear resistance for use in drill stands or column drills, as well as excellent surface quality thanks to special factory standard. Use of universal cutting oil 2607001409 recommended. Right-hand cutting twist drill bit type N, 135° drill bit with diameter tolerance h 8 and cross grinding according to DIN 1412 C, cobalt content 5%