Spiral Point Tap Thread Size #4-40 UNC Overall Length 1 27/32 in High Speed Steel Black Oxide Right Hand Thread Length 5/16 in 75 Percent Thread Drill Size 2.20 mm Thread Limit 3B Class of Fit JIS 2 Number of Flutes 2MRO33YD16
| # | Attribute | Value |
|---|---|---|
| 1. | brand | OSG |

