ER25 70 Collet Chuck Tool Holder For CNC Lathe And Milling Machines, Alloy Steel 40Cr Machining Accessory, High Precision Clamping Range 2 To 16Mm, Heavy Duty Tool Holder For Tight Tolerances

BT40-ER25-70 Collet Chuck: Single Pack Precision Holder
✔️ ER25 70mm overall length, 2-16mm clamping, 40Cr alloy steel

The BT40-ER25-70 collet chuck tool holder is a precision CNC accessory that fits BT40 spindles on milling machines and lathes. It's commonly used in metalworking shops and prototyping labs to achieve accurate tool holding.

✅ 70 mm overall length (2.76 in) for compact mounting
✅ 2-16 mm clamping range (0.08-0.63 in) for versatile tooling
✅ 40Cr alloy steel construction for high strength and durability
✅ Hardened surface treatment for wear resistance and long life
✅ BT40 spindle interface compatibility for CNC mills and lathes

💡 What is a collet chuck tool holder used for in CNC machining? This handy accessory helps secure cutting tools in CNC mills and lathes with precision. - It provides stable clamping to reduce runout - It supports BT40/ER25 configurations for wide compatibility - It enables high-speed operations with minimal vibration - It helps maintain tight tolerances over long production runs

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