Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 5/16" with 24 TPI and 2B class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm square drive, powder metallurgical HSS-E with steam tempered surface finish and 45 Degree helix angle for 2.5xD blind hole threading in general purpose applications.
| Connection Diameter (Inch) | 0.315" |
| Overall Length (Inch) | 2.8346" |
| Clamping Width (mm) | 6.3mm |
| Thread Diameter (mm) | 7.938mm |
| No of Flutes | 3 |
| Flute Helix Angle | 45 |
| Usable Length (mm) | 31mm |
| Clamping Length | 9 |
| Thread Diameter Size | 5/16 |
| Threading Length (mm) | 12mm |
| Material Code | HSS-E-PM |
| Thread Tolerance Class | 2B |
| Cutting Direction | Right Hand |
| Coating | Steam Tempered |
| Tap Chamfer Style | C 2-3 |
| Surface Color | Black |
| Thread Form | UNF-Unified Fine |
| Country of origin | India |
714.897.1700
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