Collet chucks
High-precision collets further enhance the true value of EGURO machine tools

We deliver high-precision, high-quality collet chucks. Choose the collet chuck best suited to your application from our extensive selection.
■High-precision EGURO collet chucks
- – Wear-resistant and maintains stable precision
- – Excellent spring performance ensures long-term stable precision without sagging.
Five keys to the high precision of EGURO collet chucks
- 1. Strict material selection
- 2. Advanced proprietary processing technologies
- 3. Thorough heat treatment
- 4. Rigorous inspection
- 5. Stable product delivery under a streamlined quality management system
Product lineup
Standard collets

Type | Minimum – Maximum | Notes | |
---|---|---|---|
No. 3 | φ1.0 – φ6.0 | 0.5 mm increments | Please inquire about other sizes |
No. 5 | φ1.0 – φ10.0 | 0.5 mm increments | |
No. 6 | φ1.0 – φ15.0 | 0.1 mm increments | |
No. 8 | φ1.0 – φ20.0 | 0.1 mm increments | |
No. 10 | φ1.0 – φ25.5 | 0.1 mm increments |
Square collets

Type | Minimum | Maximum | Notes |
---|---|---|---|
No. 6 | □3.0 | □10 | Please inquire about other sizes |
No. 8 | □4 | □14 | |
No. 10 | □4 | □17 |
Hex collets

Type | Minimum | Maximum | Notes |
---|---|---|---|
No. 6 | Hex 4.0 (opp.) | Hex 12 | Please inquire about other sizes |
No. 8 | Hex 3 (opp.) | Hex 17 | |
No. 10 | Hex 5 (opp.) | Hex 22 |
Opening yatoi-jig collets (Type A)

Type | Minimum (mm) | Maximum (mm) | Notes |
---|---|---|---|
No. 6 blank | M6 – Φ30 | M6 – Φ42 | Please inquire about other sizes |
No. 8 blank | M6 – Φ62 | M6 – Φ42 | |
No. 10 blank | M6 – Φ42 | M6 – Φ42 |
Required parts:
Drawbar, joint, base jig
Opening yatoi-jig collets (Type B)

Type | Minimum (mm) | Maximum (mm) | Notes |
---|---|---|---|
No. 6 blank | M3 – Φ12 | M3,M4,M6 – Φ26 | Please inquire about other sizes |
No. 8 blank | M3,M4,M6 – Φ28 | M3,M4,M6 – Φ40 | |
No. 10 blank | M3,M4,M6 – Φ38 | M3,M4,M6 – Φ48 |
Required parts:
Plug, drawbar, joint, cap
View diagrams illustrating no. 10 opening yatoi-jig collet configurations:
Opening yatoi-jig collets (Type C)

Type | Minimum (mm) | Maximum (mm) | Notes |
---|---|---|---|
No. 6 | M8 – Φ52 | M8 – Φ82 | Please inquire about other sizes |
No. 8 | M8 – Φ62 | M8 – Φ72 | |
No. 10 | M10 – Φ62 | M10 – Φ82 |
Required parts:
Plug, drawbar, joint
Expanding collets
Special collets
For other sizes, please consult with us
Minute variations of collet sizes can be made. We also accept custom orders for special shapes and other specifications, so please feel free to get in touch.