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- Yuh Kee Co., Ltd.
- Drill bit grinding machine collet series
ER-20BL
Specialized for powder metallurgy drill bit cutting edges
| Model No. | d | D | L |
|---|---|---|---|
| ER-20BL | 1, 1.5, 2, 2.5 | 21.0 | 39.0 |
| 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6 | 21.0 | 34.5 |
ER-32BL
| Model No. | d | D | L |
|---|---|---|---|
| ER-32BL | 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 | 33.0 | 45.0 |
| 24, 25, 25.4 | 33.0 | 40.0 | |
| 26 | 33.0 | 38.0 |
ER-20BLSG
| Model No. | d | D | L |
|---|---|---|---|
| ER-20BL-SG | 1, 1.5 | 21.0 | 38.0 |
| 2, 2.5, 3, 3.5, 4, 4.5 | 21.0 | 35.0 | |
| 5, 5.5, 6 | 21.0 | 33.0 | |
| 6.5, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13 | 21.0 | 31.0 |
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