ER11 Spring Collet Set For CNC Milling And Engraving, One Eighth Inch (3.175mm), Four Millimeter And Six Millimeter Collets, High Precision Spring Steel, Lathe Holder Tool Kit, Three Piece Set For Pro Hobbyists And Everyday Makers

ER11 Spring Collet Set, Three-Piece CNC Milling Pack
✔️ ER11 collets: 4 mm, 1/8 in (3.175 mm), 6 mm included

These ER11 spring collets are made of high-quality 65Mn spring steel, designed to hold cutting tools for CNC milling machines and engraving work. This three-piece set includes 4 mm, 1/8 in, and 6 mm collets, ideal for hobbyists and makers.

✅ Material: 65Mn spring steel; stable performance
✅ Range: 4 mm (0.157 in), 1/8 in (3.175 mm), 6 mm
✅ Height: 17 mm (0.67 in); OD: 8 mm (0.315 in)
✅ Outlet tolerance: <0.008 mm (0.0003 in)
✅ Includes 3 collets in sizes 4 mm, 1/8 in, 6 mm

💡 What is an ER11 spring collet set used for in CNC milling and engraving?

A handy, general explanation for buyers: This set securely grips tool shanks in ER11 chucks to maintain alignment and reduce runout for precise milling and engraving. - Fits ER11 chucks to hold 4 mm, 1/8 in (3.175 mm), and 6 mm tooling - Reduces runout for precise milling and engraving - Made from 65Mn spring steel for durability - Includes 3 collets in sizes 4 mm, 1/8 in, 6 mm