Collet Chuck,Spring Collet, 1PC Metal Spring Steel ER11 1.5/2.5/3.5 ER16 1/4 6.35 1/8 3.175 1 2 3 4 5 6 7 8 9 10 Mm Spring Collet Set for CNC Engraving Machine Lathe Mill Tool (Size : ER114mm)

Made of high quality spring steel, they are stable inperformanceFine workmanship, good elasticity and high precision 1. High-frequency quenching treatment: After high-frequency quenching treatment, good low-temperature impact toughness and good holding performance, clamping is more stable 2. Grinding process: the surface is grinded and polished, which is highly wear-resistant and heat-resistant, and the bright outer surface fits better to ensure excellent accuracy 3. Horse body heat treatment: effectively avoid deformation and cracking 【With Label】Each collet is well packed in separate protective container with label so you can easily distinguish them. Collet must be placed into collet chuck nut before inserting into collet chuck.