[PREMIUM STEEL CONSTRUCTION] Crafted from high-quality 42crMo steel, this ER16 A Type Collet Clamping Nut offers exceptional hardness and durability. Its robust construction ensures long-lasting performance even under heavy use, making it a reliable replacement for broken or worn-out parts in your CNC milling setup.
[STRONG CLAMPING FORCE] Designed to provide a secure grip, this collet nut delivers strong clamping force without deformation. It ensures precise tool holding for drills, boring cutters, and other accessories, enhancing accuracy and stability during machining operations.
[VERSATILE COMPATIBILITY] Compatible with ER type tool handles, shanks, and extension bars, this nut is suitable for a wide range of applications. Whether you're working with drill bits, boring cutters, or other tools, it offers seamless integration with most tool holders.
[HIGH-PRECISION DESIGN] Available in multiple configurations (ER16-A M22*1.5 Black/Silver, ER16-A&M M19*1.0 Black, ER16-M M19*1.0 Black), this nut meets diverse machining needs. Its precise threading ensures smooth operation and reliable performance in CNC milling and lathe applications.
[EASY REPLACEMENT & RELIABILITY] This collet nut serves as an ideal replacement for damaged or worn components in your workshop. Its durable build and consistent performance reduce downtime, making it a must-have seeking efficiency and reliability in their machining tasks.

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