Spiral Flute Tap Thread Size 7/16 In.-20 UNF Overall Length 3 5/32 in High Speed Steel TiCN Thread Length 13/16 in 75 Percent Thread Drill Size 9.95mm Thread Limit H3 Class of Fit 3B Thread Direction Right Hand Number of Flutes 4MRO427T85
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

