1. Runout: 0.015mm, 0.010mm 2. Material: 65Mn 3.ER8, ER11, ER16,ER20,ER25,ER32, ER40,ER50

Material: 65MnHardness: HRC55-60 working surfaceEnsured runout accuracyCollets with round, hexagon and square holesVarious standard of DINSuitable nuts, collet chuck sand collet drawbarsIn sets to your order We have wooden or plastic box for sets Inner packing:Plastic  bagsOuter  packing:Standard  cartons

OEM

DIN6499 ER collet