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+1 (217) 579-8045The Reiff and Nestor 64253 is a 9/16-18 thread bottom tap featuring 3 flutes, H-1 pitch diameter tolerance, and bright finish for precision internal threading operations. This high-duty spiral flute bottom tap from the 106HD series is designed for through-hole tapping in a variety of materials. Engineered for metalworking applications requiring accurate thread formation and reliable chip evacuation.
| Default Surface Finish | Bright Finish |
| Number of Flutes | 3 |
| PD Tolerance | H-1 |
| Series Designation | NF |
| Style | BOTT |
| Tap Size | 9/16-18 |