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Article code:
EAN / GTIN:
Manufacturer number:
ER collet chuck Form AD 20
Article no.: 302745 20
Article code:
- Arbor standard: JIS B6339; ISO 7388-2
- Shape: AD
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
- Concentricity: ≤ 3
- Machining strategy: HSC
Product details
Technical Data
| for ER collets | 20 | |
| Clamping ⌀ D1 | 1-13 mm | |
| Adapter | BT 30 A = 60 | |
| Arbor standard | JIS B6339; ISO 7388-2 | |
| Shape | AD | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Concentricity | ≤ 3 µm | |
| Machining strategy | HSC | |
| Clamping range | 1 mm - 13 mm | |
| Overhang dimension A | 60 mm | |
| External ⌀ D | 34 mm | |
| Spare ER clamping nut | 20 | |
| ER chuck key | 20 | |
| Type of product | Collet chuck |
Identification numbers & Classifications
| Article number | 302745 20 | |
| EAN / GTIN | 4045197944764 | |
| Manufacturer number | 302745 20 |
Description
Version:
External and internal taper ground.
- All shanks hard turned (for smooth running!). Balancing quality G2.5/25,000 rpm.
- Clamping nut balanced for HSM (G2.5/25,000 rpm).
- Optimum wear characteristics and torque transmission due to the coated precision clamping nut.
Application:
For clamping tools with parallel shank in collets to DIN 6499 Form A and B.
Supplied with:
ER clamping nut.
Optional extras:
ER collets No. 308881 − 309434, ER chuck keys No. 309680 – 309745 or No. 613300.
Pull studs (PS) No. 308760 − 308802. Pull stud wrenches No. 308820; 308835.
Pull studs (PS) No. 308760 − 308802. Pull stud wrenches No. 308820; 308835.
Note:
Downloads & documents
Compare with similar products
This article |
Recommendations |
||
|---|---|---|---|
ER collet chuck Form AD 20 |
|||
| External ⌀ D | 34 | 34 | 34 |
| Concentricity | ≤ 3 | ≤ 3 | ≤ 3 |
| Clamping range | 1 ;13 | 1 ;13 | 1 ;13 |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm | G 2.5 at 25,000 rpm |
| Machining strategy | HSC | HSC | HSC |
| Spare ER clamping nut | 20 | 20 | |
| Type of product | Collet chuck | Collet chuck | Collet chuck |