Spiral Flute Tap Thread Size 0.2310 in UNF Overall Length 3.150 in High Speed Steel Thread Length 0.3940 in 75 Percent Thread Drill Size #21 Thread Limit 3B Class of Fit 3B Thread Direction Right Hand Number of Flutes 3MRO60HE36
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

