Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 1/4" with 20 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.
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 | UNC-Unified Coarse |
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