PROMAT Twist drill DIN 1897 Type UNI nominal diameter 3.9 mm HSS-Co cylinder shank extra-short

HSS-Co
– DIN 1897
– Type UNI
– For universal use
– Point angle 118°
– With straight shank
– Right-hand cutting
– Good self-centring behaviour
– Pointed cross-cut
– For non-ferrous metals, structural and carbon steels, high-alloy steels (e.g. V2A/V4A tool steels, castings and cast alloys, magnesium alloys, plastics, and aluminium
– Advantages: Special ground section and special point thinning for low torque and quiet running
– Round groove profile for optimum chip removal, even long chips from tough materials Industrial quality Further technical information:
– Feed in steel up to 1000 N: 0,08mm/rev
– Quality: Profile-ground
– Overall length: Extra-short