ER11 Collet Nut Set For CNC Lathe And Milling Machines, High Precision One Eighth Inch And One Quarter Inch Collets, Made From 65Mn Spring Steel, Quenched And Hardened, Tight Clamping For Clean Engraving And Smooth Milling

Two-Piece ER11 Collet Nut Set for CNC Machines
✔️ Includes 1/8" and 1/4" ER11 collets with clamping nut, 65Mn steel

This ER11 collet nut set is designed for CNC lathes, milling machines, engraving devices, and machining centers. Crafted from 65Mn spring steel, quenched and hardened, it delivers tight clamping, stable cutting, and reliable performance for clean engraving and smooth milling.

✅ 65Mn spring steel, quenched and hardened for durability
✅ Internally and externally ground for high precision
✅ Outside diameter 11 mm (0.45 in)
✅ Height 17.5 mm (0.69 in)
✅ Precision ≤0.012 mm (≤0.0005 in)
✅ Includes 2 pieces: ER11 collet nuts for 1/8" and 1/4" with clamping nuts

💡 What is an ER11 collet nut set commonly used for in CNC machining? This handy accessory helps secure cutting tools in spindles for accurate, repeatable work. - Handy for holding drills, end mills, engraving bits with minimal runout - Improves repeatable tool positioning and runout control - Robust steel construction stands up to daily shop use - Compatible with ER11 collets and common CNC spindles