Spiral Flute Tap Thread Size 5/16 In.-18 UNC Overall Length 3 17/32 in High Speed Steel THL Thread Length 7/16 in 75 Percent Thread Drill Size F Thread Limit H4 H5 Class of Fit 2B Thread Direction Right Hand Number of Flutes 3MRO427W28
| # | Attribute | Value |
|---|---|---|
| 1. | brand | WALTER PROTOTYP |

