Description
High-Precision C25-ER20 x 150L Cylindrical Shank Baby Collet Chuck Holder (Slotted Nut)
The MTM C25-ER20-150L cylindrical shank baby collet chuck holder provides extended reach and excellent rigidity for deep cavities and tall workpiece machining. Its straight shank (Ø25mm) and ER20 slotted nut ensure dependable clamping up to 13mm diameter.
Key Features & Benefits
- Extended Deep-Cavity Reach: 150mm straight shank allows deep reach into recessed workpieces without tool interference.
- Versatile Clamping Range: Clamps tooling shanks from 1.0mm up to 13.0mm using standard ER20 collets.
- High-Speed Dynamic Balancing: Pre-balanced up to 15,000 RPM for vibration suppression and extended cutter life.
- Sub-Micron Grinding Accuracy: Precision ground shank and taper with runout accuracy ≤ 0.005mm.
Technical Specifications
| Parameter | Specification |
|---|---|
| Shank Type | C25 Straight / Cylindrical Shank (Ø25 mm) |
| Collet Compatibility | ER20 (Clamping range 1.0mm - 13.0mm) |
| Overall Length (L) | 150 mm |
| Nut Type | ER20 Slotted Nut (Included) |
| Runout Accuracy | ≤ 0.005 mm (5 Microns) |
| Max Balancing Speed | 15,000 RPM |
| Material | Case-Hardened Alloy Steel (20CrMnTi) |
| Hardness | HRC 56 - 58 |
Recommended Applications
Suitable for deep-pocket CNC milling centers, mold making, deep-hole drilling, and toolroom machining.