Basic StandardANSIClamping width - inch0.286CoatingSteam TemperedConnection diameter - inch (DCON MS)0.381Connection diameter - millimeter (DCON MS)9.68EDP number581391Flute count (NOF)3Flute Geometry (FDC)Spiral Point GeometryHand (Cutting direction)RightMaterialHSS-E-PMMaterial applicationP - Steel and cast steelMID number5974145Ordering code ANSIE0263/83FLOverall length - fractional inch (OAL)2.15/16Overall length - inch (OAL)2.9375Overall length - millimeter (OAL)0.381Premachined hole diameter - imperial (PHD)5/16Premachined hole diameter - inch (PHD)0.315Premachined hole diameter - millimeter (PHD)8ShankCylindrical shank with SquareTap chamfer style (TCS)B 3.5 - 5Thread diameter - millimeter (TD)5/16Thread diameter size (TDZ)3/8Thread form (THFT)UNC - Unified CoarseThreading length - inch (THL)0.602Threads per inch (TPI)16Tolerance limitH3Usable length (ULDR)2.5Usable Length - inch (LU)1.2915
| Basic Standard | ANSI |
| Clamping width - inch | 0.286 |
| Coating | Steam Tempered |
| Connection diameter - inch (DCON MS) | 0.381 |
| Connection diameter - millimeter (DCON MS) | 9.68 |
| EDP number | 581391 |
| Flute count (NOF) | 3 |
| Flute Geometry (FDC) | Spiral Point Geometry |
| Hand (Cutting direction) | Right |
| Material | HSS-E-PM |
| Material application | P - Steel and cast steel |
| MID number | 5974145 |
| Ordering code ANSI | E0263/83FL |
| Overall length - fractional inch (OAL) | 2.15/16 |
| Overall length - inch (OAL) | 2.9375 |
| Overall length - millimeter (OAL) | 0.381 |
| Premachined hole diameter - imperial (PHD) | 5/16 |
| Premachined hole diameter - inch (PHD) | 0.315 |
| Premachined hole diameter - millimeter (PHD) | 8 |
| Shank | Cylindrical shank with Square |
| Tap chamfer style (TCS) | B 3.5 - 5 |
| Thread diameter - millimeter (TD) | 5/16 |
| Thread diameter size (TDZ) | 3/8 |
| Thread form (THFT) | UNC - Unified Coarse |
| Threading length - inch (THL) | 0.602 |
| Threads per inch (TPI) | 16 |
| Tolerance limit | H3 |
| Usable length (ULDR) | 2.5 |
| Usable Length - inch (LU) | 1.2915 |