Spiral Flute Tap Thread Size 4.17 mm UNC Overall Length 63 mm High Speed Steel TiAlN Thread Length 7 mm 75 Percent Thread Drill Size 3.40 mm Thread Limit 2B 3B Class of Fit 2B 3B Thread Direction Right Hand Number of Flutes 3MRO60HD21
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

