| Customization: | Available |
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| Coating: | Coating |
| Tooth Form: | Straight Tooth |
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Description:
(1) High hardness and wear resistance
(2) Good heat resistance
(3) High strength and good toughness
| New Bit No. | Old Bit No. | D/mm | H/mm | R/mm | L/mm | d/mm |
| 640 222 032 | 640 222 | 22.2 | 19 | 3.2 | 51 | 6 |
| 641 222 032 | 641 222 | 22.2 | 19 | 3.2 | 51 | 8 |
| 640 254 048 | 640 254 | 25.4 | 22.2 | 4.8 | 54 | 6 |
| 641 254 048 | 641 254 | 25.4 | 22.2 | 4.8 | 54 | 8 |
| 640 285 063 | 640 285 | 28.5 | 25.4 | 6.35 | 57 | 6 |
| 641 285 063 | 641 285 | 28.5 | 25.4 | 6.35 | 57 | 8 |
| New Bit No. | Old Bit No. | D/inch | H/inch | R/inch | L/inch | d/inch |
| 645 222 032 | 645 222 | 7/8 | 3/4 | 1/8 | 2 | 1/4 |
| 645 254 048 | 645 254 | 1 | 7/8 | 3/16 | 2-1/8 | 1/4 |
| 645 285 063 | 645 285 | 1-1/8 | 1 | 1/4 | 2-1/4 | 1/4 |
| 647 222 032 | 647 222 | 7/8 | 3/4 | 1/8 | 2-3/8 | 1/2 |
| 647 254 048 | 647 254 | 1 | 7/8 | 3/16 | 2-1/2 | 1/2 |
| 647 285 063 | 647 285 | 1-1/8 | 1 | 1/4 | 2-5/8 | 1/2 |
| 647 350 095 | 647 350 | 1-3/8 | 1-3/8 | 3/8 | 3 | 1/2 |
| 647 445 127 | 647 445 | 1-3/4 | 1-5/8 | 1/2 | 3-1/4 | 1/2 |
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