Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 1/4" with 28 TPI and 2B class of fit, dimensions according to DIN 2184-1 standard with 7.0mm shank and 5.5mm square drive, powder metallurgical HSS-E with bright finish and 45 Degree helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.
| Connection Diameter (Inch) | 0.2756" |
| Overall Length (Inch) | 3.1496" |
| Clamping Width (mm) | 5.5mm |
| Thread Diameter (mm) | 6.35mm |
| No of Flutes | 3 |
| Flute Helix Angle | 45 |
| Usable Length (mm) | 30mm |
| Clamping Length | 8 |
| Thread Diameter Size | 1/4 |
| Threading Length (mm) | 10mm |
| Material Code | HSS-E-PM |
| Thread Tolerance Class | 2B |
| Cutting Direction | Right Hand |
| Coating | Bright |
| Tap Chamfer Style | C 2-3 |
| Surface Color | Bright Silver |
| Thread Form | UNF-Unified Fine |
| Country of origin | India |
714.897.1700
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