Feature 1The concave table design in front of the chuck cone prevents dust and iron chips from directly entering during work, which affects the accuracy of the tool holder. 2The collet hole slot adopts grinding process, which is more suitable for highspeed processing. 3After cryogenic treatment, the wear resistance of the product is significantly improved. 4The accuracy and life of repeated clamping can be increased by about 50%. 5Widely used in milling, boring, drilling, wire tapping operations, applicable to various CNC, engraving machines and other equipment. Item Type: Spring ColletMaterial: 65MnModel: ER32Applicable Machine Tool: LatheProduct Accuracy: 0.008mmClamping Range: Approx. 3 ~ 20mm / 0.1 ~ 0.8inSize: Approx. 8 x 6.3mm / 0.3 x 0.2inHeight: Approx. 40mm / 1.6inDiameter: Approx. 33mm / 1.3inUses: Widely used in milling, boring, drilling, wire tapping, and various CNC, engraving machines and other equipment. Package List 1 x Spring Collet