Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 4 with 40 TPI and 2B class of fit, dimensions according to ISO 529 standard with 3.15mm shank and 2.5mm 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) | 0.124" |
| Overall Length (Inch) | 1.8898" |
| Clamping Width (mm) | 2.5mm |
| Thread Diameter (mm) | 2.845mm |
| No of Flutes | 3 |
| Flute Helix Angle | 45 |
| Usable Length (mm) | 14mm |
| Clamping Length | 5 |
| Thread Diameter Size | 4 |
| Threading Length (mm) | 6mm |
| 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 | UNC-Unified Coarse |
| Country of origin | India |