ER11 Collet Nut Set Includes 1 8th Inch Collet and 1 4th Inch Collet with Clamping Nut for CNC Engraving, Milling, and Lathe Work, AAA Precision Under 0.008mm, Made From 65Mn Spring Steel for Tight Clamp and Stable Cutting

High-precision ER11 Collet Nut Set for CNC Machinery
✔️ Includes 1/8 in and 1/4 in collets with a tightening nut

This ER11 collet nut set provides two common sizes used in CNC engraving, milling, and turning, ensuring tool-to-spindle fit is tight for precise cuts. It is designed for use with CNC machines, engraving units, milling centers, and lathes.

✅ 1/8 in (3.175 mm) and 1/4 in (6.35 mm) collets with clamping nut
✅ 65Mn spring steel construction for high elasticity and durable clamping
✅ AAA precision, tolerance under 0.008 mm (0.00031 in)
✅ For CNC milling, engraving, boring, drilling, and wire tapping
✅ Works with ER11 spindles for stable cutting and minimal runout

💡 What is an ER11 collet nut set used for in CNC work?

This handy set helps secure cutting tools and keep them aligned for accurate, repeatable results. - Improves tool stability in milling, engraving, drilling, and turning - Made from 65Mn spring steel for long life and tight clamping - Includes two collets (1/8 in and 1/4 in) with clamping nut for quick setups