Spiral point tap with chamfer form B with a 3.5-5xP plug lead, for Unified National Fine thread UNF 1/2" with 20 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.3670" shank and 0.2750" square drive, powder metallurgical HSS-E with bright finish for 2.5xD through hole threading in free machining and plain carbon steel and wrought or cast aluminium and copper or copper alloys.
| Connection Diameter (Inch) | 0.367" |
| Overall Length (Inch) | 3.375" |
| No of Flutes | 2 |
| Thread Diameter Size | 1/2 |
| Material Code | HSS-E-PM |
| Thread Tolerance Class | 3B |
| Threading Length (Inch) | 0.9055" |
| Cutting Direction | Right Hand |
| Coating | Bright |
| Tap Chamfer Style | B 3.5-5 |
| Surface Color | Bright Silver |
| Thread Form | UNF-Unified Fine |
| Country of origin | Brazil |
714.897.1700
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