This motor shaft collet is made of high-quality steel material, straight shank with clamping nut to be tightened. Extension rod diameter and the other parts are precision ground to eliminate unbalance, increase safety when cutting. The straight extended shank fits for deep processing, meeting the needs of extending the depth of processing. Collet is well packed in a protective container with a label for safe transportation and storage.
It is widely used in boring, milling, drilling, tapping, grinding and other processing.
This collet is made of high-quality steel for milling lathe tools and work-holding engraving machines. ER straight rod type collet extension handle body is relatively long, suitable for deep hole processing. The nut can be directly tightened to provide a full clamping force. This collet can reduce costs, improve efficiency and would be a replacement part for your old one.

Specification:

• Material: 40cr
• Length: 37mm

Features: 

1. Made of high-quality 40cr material, high hardness, and durable.
2. Exquisite workmanship, luster, and not easy to rust.
3. The clamping range is 1--7mm.
4. Applicable to 8mm diameter motor shaft. 

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Package Include:

 1 x Collet Chuck Holder Motor Shaft