PROMAT Twist drill DIN 340 type N nominal diameter 4 mm HSS-Co profile ground cylinder shank Length of spiral 78 mm

HSS-Co5
– DIN 340
– Type N
– Point angle 130°
– Profile ground with crosswise grinding from Ø 3.0 mm
– With straight shank
– Right-hand cutting
– For deep holes as well as for drilling steel, cast iron, rust- and acid-resistant steels greater than 800 N/mm² in strength Industrial quality Further technical information:
– Feed in steel up to 1000 N: 0,04mm/rev
– Quality: Profile-ground