Heavy Duty ER Extension Rod For Collet Chuck Machine With Straight Shank Ultra Precision Low Runout Fits C6 To C40 Sizes Like C20-ER32 150L For Grinding And Drilling Operations

Precision ER Extension Rod For Collet Chuck Low Runout Tools
✔️ Alloy Steel Hardened Shank Fits C6-C40 150mm Length

This heavy duty extension rod connects to standard collet chucks for grinding or drilling machines. It extends reach into deep cavities while keeping stability during cutting tasks on metal parts.

✅ Used alloy steel built with specialized heat treatment process
✅ Secure anti-slip threading maintains firm chuck gripper lock
✅ Achieves ultra precision grind finish for minimal tool runout
✅ Extends working distance effectively for side wall machining needs

💡 Why do machinists choose high precision extension rods for drilling?
The design improves workflow efficiency during deep cavity machining tasks.
- Increases working distance for hard-to-hit work surfaces
- Keeps rigidity stable when operating heavy rotation speeds safely
- Compatible with various ER collet types for broader machine use

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