15 Piece Spring Collet Set For CNC Milling Lathe Workholding Er20 Size Top Notch Heavy Duty Metric Springs High Precision Fit Easy Install Stable Performance Each Collet In Its Own Protective Container Ideal For Engraving And Metalworking

15-Piece ER20 Spring Collet Set for CNC Milling & Engraving
✔️ 15 x ER20 spring collets in 65Mn steel, 30mm tall, 20mm OD

These 15-piece ER20 spring collet set is designed for CNC milling lathes and engraving machines. Each collet is made from 65Mn spring steel and ships in its own protective container, clearly labeled for easy organization. Ideal for engraving and metalworking, these collets ensure a secure grip and precise operation in milling and machining setups.

✅ Material: 65Mn spring steel
✅ Model: ER20
✅ Sizes included: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm
✅ Set includes 15 pieces, each in a labeled protective container
✅ Height 30mm (1.18"), OD 20mm (0.78"), weight approx 585g
✅ Note: 1-2mm error due to manual measurement

💡 What is an ER20 spring collet set used for in CNC milling and engraving?

This handy answer explains the core use and benefits for common workshop setups.

• Securely holds small tooling in CNC milling machines and engraving tools
• 65Mn spring steel construction for stable, long-lasting performance
• Includes 15 pieces ranging from 1mm to 13mm to cover typical tasks
• Each collet comes in a labeled protective container for easy storage

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