Collet Chuck Tool Holder BT30 ER20 70 High Precision 40Cr Alloy CNC Milling Shank Accessories For Milling Machines 1-13mm Clamping Range Heavy Duty Quick Change Great Stability Excellent Accuracy Built Tough

BT30 ER20 Collet Chuck Tool Holder: High-Precision CNC Shank ✔️ 70mm length, BT30-ER20-70, 1-13mm clamping, 40Cr alloy steel, sturdy

This Collet Chuck Tool Holder fits CNC milling machines with BT30 spindles and ER20 collets, providing a stable 70mm shank and 1-13mm clamping range. Built from 40Cr alloy steel for durability and long service life. Package includes 1 x Collet Chuck Tool Holder.

✅ BT30-ER20-70 model
✅ Clamping Range approx 1-13 mm (0.04-0.5 in)
✅ Length approx 70 mm (2.8 in)
✅ Material: 40Cr alloy steel
✅ Suitable for various CNC milling machines

💡 What is a BT30 ER20 collet chuck tool holder used for in CNC milling? It helps align and secure cutting tools for reliable milling performance.

- Fits BT30 spindle with ER20 collets for versatile tooling - Provides precise clamping to minimize runout in high-speed milling - Enables quick tool changes, boosting workflow in production - Made from 40Cr alloy steel for durability ✝️