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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 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" square drive, powder metallurgical HSS-E with bright finish and 45° helix angle for 2.5xD blind hole threading in free machining and plain carbon steel and wrought or cast aluminium.
Product Specifications
| Connection Diameter (Inch) | 0.255" |
| Overall Length (Inch) | 2.5" |
| No of Flutes | 3 |
| Flute Helix Angle | 45 |
| Usable Length (Inch) | 1.0993" |
| Thread Diameter Size | 1/4 |
| Material Code | HSS-E-PM |
| Thread Tolerance Class | 3B |
| Threading Length (Inch) | 0.3937" |
| Cutting Direction | Right Hand |
| Coating | Bright |
| Tap Chamfer Style | C 2-3 |
| Surface Color | Bright Silver |
| Thread Form | UNF-Unified Fine |
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Ships:
From Partner Facility
