Three Piece CNC Collet Set For Lathe And Milling One Eighth Inch Four Millimeter And Six Millimeter Spring Collets For Engraving And Workholding ER11 Compatible Pro Grade Precision With Ultra Low Runout

Three-Piece ER11 Spring Collet Set for CNC Milling
✔️ 3 collets: 4mm, 1/8", 6mm; 65Mn steel; runout <0.008mm.

These precision ER11 spring collets are designed for CNC milling and lathe workholding. Made from 65Mn spring steel, they provide a tight, low-runout grip for engraving, routing, and toolholding. This 3-piece set covers 4 mm, 1/8", and 6 mm collet sizes to fit a range of tools.

✅ Sizes: 4 mm (0.157 in), 1/8 in (3.175 mm), 6 mm (0.236 in) ER11
✅ Material: 65Mn spring steel for durability and stable grip
✅ Runout: <0.008 mm (0.000315 in) for high precision
✅ Height: 17 mm (0.669 in) and OD: 8 mm (0.315 in)
✅ Pack: 3-piece set, each collet clearly marked for easy identification

💡 What is a spring collet set used for in CNC workholding? This handy accessory helps secure tools and reduce runout during milling or engraving.

- Secure grip on tool shanks in ER11 chucks, minimizing runout. - Compatible with most CNC mills and engraving machines for precise holding. - Improves finish quality by keeping tools centered under load. - Great for swapping between sizes without retooling setups.