Brief introduction

Collet ER COLLET DIN6499, also known as spring collet, is mounted on a drill \ milling machine, drilling and milling chuck, its function is to clamp drill cutter or knife. Er flexible collet is currently the most used. Its stable performance, high accuracy by the majority of manufacturers trust. All products are precision grinding, in line with the German DIN 6499 specifications precision manufacturing.

specification

1. Material: 65Mn alloy spring steel
2. Hardness: HRC45-48
3. Standard: DIN 6499B
4. Concentricity: runout less than 0.008 mm
5. Monthly capacity: 30,000 pcs
Milling chucks are the main accessory for holding a cylindrical cutting tool, mainly used for various drilling machines, milling machines and lathes.

1. high temperature treatment, hardness uniformity.
2. full bright appearance, good elasticity
3. precision stability, durable and not easy
4. Accuracy: made in 65 mn numerical control handle, have higher service life.