Spiral Point Tap Thread Size 1/2 In.-13 UNC Overall Length 4 5/16 in High Speed Steel TiN Right Hand Thread Length 3/4 in 75 Percent Thread Drill Size 0.4219 in Thread Limit H5 H6 Class of Fit JIS 2 Number of Flutes 3MRO427X03
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

