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Imperial UNC Hand or machine Taps for threading holes.
Unified National Coarse Straight Flute full size taps used as Machine taps or sets of 3 as Hand taps sets for tapping in free cutting Steel up to 800N/mm2. The perfect form thread is generated by a combination of effective pitch diameter, major diameter and chamfer length.
| Nominal Diameter | 5/16" UNC SET |
|---|---|
| Flute Length | 22mm |
| Overall Length | 72mm |
| Material | HSS |
| Finish | P0 Bright Finish |
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