Bosch Accessories Professional 10 x HSS G Metal Drill Bits (for Metal, Diameter 3.5 mm, Robust Line, Accessories)

Professional processing of alloy and non-alloyed steel, cast steel, grey cast iron, sintered iron, malleable iron, non-ferrous metals and hard plastics Diameter x working length x total length: 3.5 x 39 x 70 mm, according to DIN 338 For all drills with round shank drill holder Precision ground professional drill for fast drilling progress with low contact force without pre-grinding or pre-drilling. Use of universal cutting oil 2607001409 recommended. Right-hand cutting twist drill bit type N, self-centring 135° drill bit with diameter tolerance h 8, cross cut according to DIN 1412 C