1. T.I.R. ≤ 0.00024 at collet face
2. Through-spindle coolant capability
3. Rear thread for pull stud is 5/8"-11
4. Taper ground to high precision AT3 accuracy
5. Conform to DIN6499
1. T.I.R. ≤ 0.00024 at collet face
2. Rear thread for pull stud is 5/8"-11
3. All critical tool holder surfaces precision ground
4. Made from alloy structural steel hardened to HRC48 - 52 for long, durable service life
5. Taper ground to high precision AT3 accuracy
6. Collet nut is included
7. Through-spindle coolant capability
8. Collet Chuck accepts all ER25 collets
| Size | NMTB40 | Style Name | ER25 Type |
| SKU | BA0104019B | TIR | ≤ 0.00024" |
| Through Coolant | YES | Collet Nut Diameter(D) | 1 - 21/32" |
| Net Weight | 2.31 lbs | Collet Range(d) | 3/64" - 5/8" |
| Gross Weight | 2.51 lbs | Projection (L1) | 2-1/2" |
| Meas | 7.9 × 2.95 × 2.95 in. | Overall Length(L) | 6-3/16" |
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