ER20 Spring Collet Set Fourteen Sizes with 0.008mm Clamping Precision 65Mn Steel CNC Engraving and Milling Lathe Tooling Kit Pro Grade in Plastic Case from One Sixteenth Inch to One Half Inch 17.5mm Length and 11mm Max OD

ER20 Spring Collet Set with 14 sizes and tight clamp
✔️ 14 ER20 collets: 1/16 to 1/2 in (1.59 to 12.70 mm), 17.5 mm long, 11 mm OD in plastic case

This ER20 spring collet set provides precise gripping for milling and engraving on CNC and manual machines. It covers 14 sizes from 1/16 to 1/2 in and ships in a labeled plastic case for quick selection.

✅ Clamping range: 1/16 to 1/2 in (1.59 to 12.70 mm) across 14 sizes
✅ Material: 65Mn spring steel, high-temp and corrosion resistant
✅ Precision: 0.008 mm clamping accuracy
✅ Length: 17.5 mm, Max OD: 11 mm
✅ Packaging: labeled boxes for quick ID

💡 What is an ER20 spring collet set used for in CNC milling and engraving? This handy tool holds cutters securely with minimal runout.
- Used with ER20 spindles on CNC mills, engraving machines, and lathes
- Provides tight clamping with minimal runout for accurate cuts
- Includes 14 sizes from 1/16 in to 1/2 in (1.59 to 12.70 mm)
- Comes in a labeled plastic case for quick tool changes