201090

201090 is a DIN 338 type N rolled twist drill bit. This is a highly efficient standard drill suitable for all usual drilling work in all normal materials. High security against fracture. Well-suited for steel and cast-steel alloyed and unalloyed up to approx. 900 N/mm² strength, grey cast, malleable cast iron, diecast metal, iron sinter, nickel-silver, graphite cast iron, short-chipping aluminium alloys, bronze and brass.

• 125.0mm length, 9.0mm diameter and 81.0mm spiral length
• Cylindrical shaft and right hand cutting direction
• HSS material and black surface coating
• 25° - 30° spiral angle and 118° point angle
• Shape N: helical point normal ground
• h8 tolerance, normal groove profile and normal core