Spiral Flute Tap Thread Size 0.3150 in UNC Overall Length 3.543 in High Speed Steel Thread Length 0.4720 in 75 Percent Thread Drill Size #7 Thread Limit 3B Class of Fit 3B Thread Direction Right Hand Number of Flutes 3MRO60HE34
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

