Item Type: Collet Material: 65 Mn Accuracy: 0.005 Hardness: > HRC48-55 Carburizing Depth: >0.8mm Surface Roughness: >0.8MM Diameter: Approx. 6mm / 0.2in Uses: Widely used in milling, drilling, tapping, engraving, CNC, half-cone angle design of the spindle machine collet bring more clamping force 1Pull back collet has strong clamping force, high rigidity and low noise, very convenient 2The strength is relatively high after heat treatment and cold drawing hardening, with a certain degree of flexibility and plasticity 3Adopt fine workmanship, quenching processing bring sturdiness and durability, adopt inner hole grinding 4Made of excellent 65Mn material, possess high hardness greater than HRC48-55, come with 0.005 high accuracy 5Half-cone angle design of the spindle machine collet bring more clamping force. Widely used in milling, drilling, tapping, engraving, CNC1 x Collet