Shank Extension Rod For CNC Milling Lathe ER11M Collet Chuck Pro Grade Heavy Duty 150mm Length 16mm Head Diameter Fits C12 ER11M Chucks One To Seven Millimeter Clamp Range 40Cr Steel With Wrench Workholding Tool

ER11M Shank Extension Rod for CNC Milling Chucks
✔️ 16mm head, clamp 1-7mm, 12mm handle, fits C12 ER11M CNC chucks

This shank extension rod adds depth to tool reach on CNC milling setups, especially with C12 ER11M chucks, allowing deeper cuts and better control in tight spaces.

✅ Head diameter: 16mm (0.63in)
✅ Clamping range: 1-7mm (0.04-0.28in)
✅ Handle diameter: 12mm (0.47in)
✅ Material: 40Cr steel; hardness 45-46 HRC
✅ Includes wrench and Collet Chuck Holder
✅ Fits C12 ER11M CNC milling lathe chucks

💡 What is a collet chuck extender used for in CNC milling operations?

It adds depth to tooling so you can reach deeper into the workpiece without reconfiguring your setup.

- Extends reach for longer tools to access deeper pockets
- Maintains stable alignment to reduce runout during heavy cuts
- Compatible with ER11M chucks and 40Cr steel construction for durability
- Handy for increasing depth of cut without tool changes
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