PROMAT Twist drill DIN 338 type VA nominal dm 4.5 mm HSS-Co5 steam annealed 3 surface shank 5xdmright

HSS-Co5
– Vapour-tempered
– DIN 338
– Type VA
– Point angle 130 degrees
– Profile-ground with crosswise grinding
– Right-hand cutting
– For drilling even under maximum thermal stresses
– With 3-surface shank – prevents spinning in the drill chuck
– For materials with high alloy content and strengths above 800 N/mm² Further technical information:
– Cutting direction: Right
– Feed in steel up to 800 N: 0,05mm/rev
– Quality: Profile-ground