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+1 (217) 579-8045ChamferThreadDefault Surface FinishBright FinishNumber of Flutes4PD ToleranceH-3Series DesignationNFTap Size7/16-20
| Chamfer | Thread |
| Default Surface Finish | Bright Finish |
| Number of Flutes | 4 |
| PD Tolerance | H-3 |
| Series Designation | NF |
| Tap Size | 7/16-20 |