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NOW VIEWING: Double Ended ER Collet Holders
Technical Information – Collet Holders
ER Collet Holders
- All holders will be supplied with clamping nut (standard)
- Holders with “AK” will be supplied with sealed nut type Rego-fix
- Runout accuracy: ER-collet holders < 5μm
- B = Smallest diameter
- All holders AK0 can be reduced to AK1 – AK3
| Abbreviations | Thread inner coolant lead in: |
|---|---|
| AK0 | M12 x 1.5 |
| AK1 | G 1/8″ |
| AK2 | M8 x 1 |
| AK3 | M10 x 1 |
| Abbreviations | |
|---|---|
| IK | Axial inner coolant inlet |
| AK | Radial inner coolant inlet |
| WD | Throughout Flat |
| FL | No Throughout Flat |
| T | Especially for TORNOS machines |
| OS | Without inner stop screw |
Collet Holders: Overlap of Nuts
| Nut | G | LA |
|---|---|---|
| ER08M | M10 x 0.75 | 4.3 – 6.1 |
| ER11M | M13 x 0.75 | 5.7 – 7.5 |
| ER16M | M19 x 1 | 8 – 11.5 |
| ER20M | M24 x 1 | 8 – 11.5 |
| ER25M | M30 x 1 | 8.5 – 12 |
| —- | —- | —- |
| UM/ER11 | M14 x 0.75 | 4.9 – 6.6 |
| UM/ER16 | M22 x 1.5 | 7 – 10.5 |
| UM/ER20 | M25 x 1.5 | 8 – 11.5 |
| —- | —- | —- |
| UX/ER16 | M22 x 1.5 | 7 – 10.5 |
| UX/ER20 | M25 x 1.5 | 8 – 11.5 |
| UM/ER25 | M32 x 1.5 | 8.5 – 12 |
| UM/ER32 | M40 x 1.5 | 9.5 – 13 |
| UM/ER40 | M50 x 1.5 | 11.5 – 15 |
| UM/ER50 | M64 x 2.0 | 14 – 21 |
Inner Coolant (IK):
| Part # | GA | GI |
|---|---|---|
| RED1/4 – 1/8 | G1/4″ | G1/8″ |
| RED1/4 – M10x1 | G1/4″ | M10 x 1 |
| RED1/4 – M8x1 | G1/4″ | M8 x 1 |
| RED1/8 – M8x1 | G1/8″ | M8 x 1 |
| REDM12x1.5 – G1/8 | M12 x 1.5 | G1/8″ |
| REDM12x1.5 – M10x1 | M12 x 1.5 | M10 x 1 |
| REDM12x1.5 – M8x1 | M12 x 1.5 | M8 x 1 |
| RED1/8 – 1/8NPT | G1/8″ | 1/8″NPT |
| REDM8x1 – 1/8NPT | M8 x 1 | 1/8″NPT |
