ChamferRegularDefault Surface FinishBrightNumber of Flutes5Tap Size1 1/4-11 1/2Thread TypeNPSF
| Diameter Tolerance | -0.0002 in |
| Drill Blank Size | 0.238 in |
| Finish | Bright |
| Length | 4 in |
| Material | HSS |
| Series | 165 |
| Style | 165 |
| Surface Condition | Bright |
| Type | Jobber Length Straight Shank Undersize |