Spiral Flute Tap Thread Size 1/4 in UNC Overall Length 3.150 in High Speed Steel TiAlN Thread Length 0.3940 in 75 Percent Thread Drill Size #7 Thread Limit 2B Class of Fit 2B Thread Direction Right Hand Number of Flutes 3MRO60HE71
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

