C6 C8 C12 C16 C20 C25 C32 C40 ER8 ER11 ER16 ER20 ER25 ER32 ER40 Extension Rod Deep Hole Machining CNC Mill Lengthen Tool Holder
High-precision extension rods for deep hole machining on CNC mills. Available in C6, C8, C12, C16, C20, C25, C32, C40 and ER8, ER11, ER16, ER20, ER25, ER32, ER40 sizes. Enhance reach and accuracy in industrial metalworking.
Key points
- High-precision engineering for accurate deep hole drilling
- Available in multiple sizes (C6-C40 & ER8-ER40) for versatile use
- Made from hardened alloy steel for superior strength and durability
- Minimizes vibration and deflection during extended machining
- Perfect fit for CNC milling machines in heavy-duty industrial applications View product presentation
Color: M Or UM Type Nut


Hole Diameter: C8-ER8-100L
France
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Product presentation
Extend Your Reach with Precision: Premium CNC Extension Rods for Deep Hole Machining
Designed for high-precision deep hole machining applications, these extension rods are engineered to provide optimal stability and accuracy when used with CNC milling machines. Available in multiple sizes including C6, C8, C12, C16, C20, C25, C32, C40, and ER8, ER11, ER16, ER20, ER25, ER32, ER40, these tool holder extensions allow for extended reach without compromising rigidity or performance. Made from high-grade alloy steel with heat treatment for enhanced durability, they reduce vibration and improve surface finish during long-reach operations. Ideal for aerospace, automotive, and mold manufacturing industries where precision is critical.
| Brand Name E&Mill |
| High-concerned chemical None |
| Origin Mainland China |
| Application Milling Cutter |
| Material High Quality 42CrMnTi steel |
| Hardness HRC46-50 |
| Precision 0.008mm |
| Shank Diameter 6mm/8mm/10mm/12mm/16mm/20mm/25mm/32mm/40mm |
| Length 60mm/100mm/150mm/200mm |



















