
| Items |
NNR630 Diamond Negative, thickness 0.198 / 0.206 in |
NNR640 Diamond Negative, thickness 0.260 / 0.268 in |
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| Thickness (t) | N/A 0.198 / 0.206 in | N/A 0.260 / 0.268 in | ||
| Inscribed Circle (i.c.) | N/A 0.764/0.770 in | |||
| Radius (r) | N/A 0 in | |||
| Shape | N/A Diamond | |||
| hole configuration | N/A None | |||
| variable thickness | N/A | |||
| a | N/A 87 ยบ | |||
| Grade Availability | N/A Available on Request | |||
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