Basic StandardANSICoatingBrightDrive size - inch (DRVS)0.625Drive size - millimeter (DRVS)15.875Hand (Cutting direction)RightMaterialChromium steelOverall length - fractional inch (OAL)1/2Overall length - millimeter (OAL)12.7Thread diameter size (TDZ)1/4Thread form (THFT)UNC - Unified CoarseThreads per inch (TPI)20
| Basic Standard | ANSI |
| Coating | Bright |
| Drive size - inch (DRVS) | 0.625 |
| Drive size - millimeter (DRVS) | 15.875 |
| Hand (Cutting direction) | Right |
| Material | Chromium steel |
| Overall length - fractional inch (OAL) | 1/2 |
| Overall length - millimeter (OAL) | 12.7 |
| Thread diameter size (TDZ) | 1/4 |
| Thread form (THFT) | UNC - Unified Coarse |
| Threads per inch (TPI) | 20 |