2017-11-03
| Dimensions | Bit Size and Diameter Clearance | |||||||
| Size OD | Weight Per Foot Nominal | Wall | Nominal ID | Coupling OD | Drift | Nominal Bit Size | Clearance From Drift Dia. | |
| Inches | Pounds | Inches | Inches | Decimal | Inches | |||
| 7 | 17 | 0.231 | 6.538 | 7.656 | 6.413 | 6 3/8 | 6.375 | 0.038 |
| 20 | 0.272 | 6.456 | 7.656 | 6.331 | 6 1/4 | 6.25 | 0.081 | |
| 23 | 0.317 | 6.366 | 7.656 | 6.241 | 6 1/8 | 6.125 | 0.116 | |
| 26 | 0.362 | 6.276 | 7.656 | 6.151 | 6 1/8 | 6.125 | 0.026 | |
| 29 | 0.408 | 6.184 | 7.656 | 6.059 | 6 | 6 | 0.059 | |
| 32 | 0.453 | 6.094 | 7.656 | 5.969 | 5 7/8 | 5.875 | 0.094 | |
| 35 | 0.498 | 6.004 | 7.656 | 5.879 | 5 7/8 | 5.875 | 0.004 | |
| 38 | 0.54 | 5.92 | 7.656 | 5.795 | 5 3/4 | 5.75 | 0.045 | |
| 7 5/8 | 20 | 0.25 | 4.125 | 8.5 | 7 | 6 3/4 | 6.75 | 0.25 |
| 24 | 0.3 | 7.025 | 8.5 | 6.9 | 6 3/4 | 6.75 | 0.15 | |
| 26.4 | 0.328 | 6.969 | 8.5 | 6.844 | 6 3/4 | 6.785 | 0.094 | |
| 29.7 | 0.375 | 6.875 | 8.5 | 6.75 | 6 3/4 | 6.75 | 0 | |
| 33.7 | 0.43 | 6.765 | 8.5 | 6.64 | 6 5/8 | 6.625 | 0.015 | |
| 39 | 0.5 | 6.625 | 8.5 | 6.5 | 6 3/8 | 6.375 | 0.125 | |
| 8 5/8 | 24 | 0.264 | 8.097 | 9.625 | 7.972 | 7 7/8 | 7.875 | 0.097 |
| 28 | 0.304 | 8.017 | 9.625 | 7.892 | 7 7/8 | 7.875 | 0.017 | |
| 32 | 0.352 | 7.921 | 9.625 | 7.796 | 7 3/4 | 7.75 | 0.046 | |
| 36 | 0.4 | 7.825 | 9.625 | 7.7 | 7 5/8 | 7.625 | 0.075 | |
| 40 | 0.45 | 7.725 | 9.625 | 7.6 | 7 3/8 | 7.375 | 0.225 | |
| 44 | 0.5 | 7.625 | 9.625 | 7.5 | 7 3/8 | 7.375 | 0.125 | |
| 49 | 0.557 | 7.511 | 9.625 | 7.386 | 7 3/8 | 7.375 | 0.011 | |
| 9 5/8 | 29.3 | 0.281 | 9.063 | 10.635 | 8.907 | 8 3/4 | 8.75 | 0.157 |
| 32.3 | 0.312 | 9.001 | 10.625 | 8.845 | 8 3/4 | 8.75 | 0.095 | |
| 36 | 0.352 | 8.921 | 10.625 | 8.765 | 8 3/4 | 8.75 | 0.015 | |
| 40 | 0.395 | 8.835 | 10.625 | 8.679 | 8 5/8 | 8.625 | 0.054 | |
| 43.5 | 0.435 | 8.755 | 10.625 | 8.599 | 8 1/2 | 8.5 | 0.099 | |
| 47 | 0.472 | 8.681 | 10.625 | 8.525 | 8 1/2 | 8.5 | 0.025 | |
| 53.5 | 0.545 | 8.535 | 10.625 | 8.379 | 8 3/8 | 8.375 | 0.004 | |
For more information, please contact:
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ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
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Email: roschen@roschen.com ; roschen@roschen.net
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