[Strong Clamping Force] : Provides a secure grip and is to deformation, ensuring .
[Multiple Tool Compatibility] : Ideal for er type tool handles, shanks, extension bars, nuts for drill bits, boring cutters, and more.
[Premium Steel Construction] : Made of high-quality steel, this nut boasts exceptional hardness and durability.
[Versatile Usage] : Designed as a/m type nuts for er collet milling cnc chuck holders, accommodating various tools.
[Great Replacement] : This collet nut is a reliable replacement for broken parts, suitable for various tool holders.

Spec:

Features:
This collet nut is a great replacement for the broken part, fit for most tool holders.
Made of premium steel, it it high hardness and durable.
Strong clamping force and not easy to deform.
A/M type nut for ER collet milling CNC chuck holder.
Suitable for ER type tool handle, tool shank, extension bar nut holding drill bit, boring cutter and other tools.
Specification:
Material: 42crMo steel
Weight: Approx.21g~37g / 0.7oz~1.3oz
Type: ER16-A M22*1.5 Black, ER16-A M22*1.5 Silver, ER16-A&M M19*1.0 Black, ER16-M M19*1.0 Black (Optional)
Package List:
1 * Clamping Nut
Note:
Please allow slight error due to manual measurement. Thanks for your understanding.