ER spring collet processing method and heat treatment process

The ER collet is a cylindrical fixture used to hold the drilling and tapping tool or the milling tool on the spindle of the drilling, tapping, milling machine or machining center, also known as the ER collet. It can also be used to fix and reinforce a fixed locking device that needs to be modified and processed.

ER collet chuck has high clamping force, wide clamping range and good precision. Widely used in boring, milling, drilling, tapping, grinding and engraving. ER collet is a kind of spring collet, which is generally used in conjunction with CNC tool holders.

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