Straight flute hand tap NO3 with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 5/16" with 18 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.3180" shank and 0.2380" square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys.
Product Specifications
Connection Diameter (Inch) | 0.318" |
Overall Length (Inch) | 2.7188" |
No of Flutes | 4 |
Usable Length (Inch) | 1.2598" |
Thread Diameter Size | 5/16 |
Material Code | HSS |
Thread Tolerance Class | 2B-3B |
Threading Length (Inch) | 0.77" |
Cutting Direction | Right Hand |
Coating | Bright |
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
Ships:
From Partner Facility