| Customization: | Available |
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| Coating: | Coating |
| Tooth Form: | Straight Tooth |
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| New Bit No. | Old Bit No. | D/mm | H/mm | R/mm | L/mm | d/mm | B/mm |
| 420 318 048 | 420 318 | 31.8 | 12.7 | 4.8 | 54 | 6 | 12.7 |
| 421 318 048 | 421 318 | 31.8 | 12.7 | 4.8 | 54 | 8 | 12.7 |
| 420 380 063 | 420 380 | 38 | 15.9 | 6.35 | 57 | 6 | 12.7 |
| 421 380 063 | 421 380 | 38 | 15.9 | 6.35 | 57 | 8 | 12.7 |
| New Bit No. | Old Bit No. | D/inch | H/inch | R/inch | L/inch | d/inch | B/inch |
| 425 318 048 | 425 318 | 1-1/4 | 1/2 | 3/16 | 2-1/8 | 1/4 | 1/2 |
| 425 381 063 | 425 381 | 1-1-2 | 5/8 | 1/4 | 2-1/4 | 1/2 | 1/2 |
| 427 318 048 | 427 318 | 1-1/4 | 1/2 | 3/16 | 2-9/16 | 1/4 | 1/2 |
| 427 381 063 | 427 381 | 1-1-2 | 5/8 | 1/4 | 2-11/16 | 1/2 | 1/2 |
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