Basic StandardBS 1127:1950CoatingBrightDie chamfer to pitch ratio (DCPR)1.75Drive size - inch (DRVS)0.82Drive size - millimeter (DRVS)20.83EDP number206348Hand (Cutting direction)RightMaterialHSSMaterial applicationK - Cast iron, M - Stainless steel, N - Non-ferrous metals, P - Steel and cast steelMID number5977964Ordering code ANSIF312M8X1.0Overall length - fractional inch (OAL)5/16Overall length - millimeter (OAL)7.94Thread diameter - millimeter (TD)8Thread diameter size (TDZ)8Thread form (THFT)MF - Metric fineThread pitch - millimeter (TP)1
| Basic Standard | BS 1127:1950 |
| Coating | Bright |
| Die chamfer to pitch ratio (DCPR) | 1.75 |
| Drive size - inch (DRVS) | 0.82 |
| Drive size - millimeter (DRVS) | 20.83 |
| EDP number | 206348 |
| Hand (Cutting direction) | Right |
| Material | HSS |
| Material application | K - Cast iron, M - Stainless steel, N - Non-ferrous metals, P - Steel and cast steel |
| MID number | 5977964 |
| Ordering code ANSI | F312M8X1.0 |
| Overall length - fractional inch (OAL) | 5/16 |
| Overall length - millimeter (OAL) | 7.94 |
| Thread diameter - millimeter (TD) | 8 |
| Thread diameter size (TDZ) | 8 |
| Thread form (THFT) | MF - Metric fine |
| Thread pitch - millimeter (TP) | 1 |