1, the main specifications: er8, 11, 16, 20, 25, 32, 40, etc.

2, use: for boring, milling, drilling, tapping, grinding and other processing

3, product introduction: ER elastic collet, large clamping force, wide clamping range, good precision and excellent quality. Widely used in boring, milling, drilling, tapping, grinding and other processing. 1, material: 65MN2, hardness: HRC44-48.