Collet, ER40 Collet Precision 0.008 1mm-32mm ER40 Spring Collet High Precision Collet Set 1pcs(ER40-3 Aa 0.008)

Easy to operate, easy to use, Improve processing quality, is a practical tool. Spring Collet Chuck Made of formulated spring steel. Hardened and precision ground.Accuracy: 0.02mm (0.0008"). Sealing Collet stable performance and high machining accuracy, suitable for milling machines. Each collet is well packed in container with label, moreover, each collect is mark with size, so it’s easy to distinguish them.These spring collet sets are made steel. They are stable and practical in performance.