Basic StandardANSIClamping width - inch0.238CoatingSteam TemperedConnection diameter - inch (DCON MS)0.318Connection diameter - millimeter (DCON MS)8.08Coolant supply property (CSP)FEDP number581711Flute count (NOF)3Flute Geometry (FDC)Spiral Flute GeometryFlute helix angle (FHA)45Hand (Cutting direction)RightMaterialHSS-E-PMMaterial applicationP - Steel and cast steelMID number5974040Ordering code ANSIE0285/16Overall length - fractional inch (OAL)2.23/32Overall length - inch (OAL)2.7188Overall length - millimeter (OAL)0.318Premachined hole diameter - imperial (PHD)FPremachined hole diameter - inch (PHD)0.2598Premachined hole diameter - millimeter (PHD)45ShankCylindrical shank with SquareTap chamfer style (TCS)C 2 - 3Thread diameter - millimeter (TD)6.6Thread diameter size (TDZ)5/16Thread form (THFT)UNC - Unified CoarseThreading length - inch (THL)0.4567Threads per inch (TPI)18Tolerance limitH3Usable length (ULDR)2.5Usable Length - inch (LU)1.3094
| Basic Standard | ANSI |
| Clamping width - inch | 0.238 |
| Coating | Steam Tempered |
| Connection diameter - inch (DCON MS) | 0.318 |
| Connection diameter - millimeter (DCON MS) | 8.08 |
| Coolant supply property (CSP) | F |
| EDP number | 581711 |
| Flute count (NOF) | 3 |
| Flute Geometry (FDC) | Spiral Flute Geometry |
| Flute helix angle (FHA) | 45 |
| Hand (Cutting direction) | Right |
| Material | HSS-E-PM |
| Material application | P - Steel and cast steel |
| MID number | 5974040 |
| Ordering code ANSI | E0285/16 |
| Overall length - fractional inch (OAL) | 2.23/32 |
| Overall length - inch (OAL) | 2.7188 |
| Overall length - millimeter (OAL) | 0.318 |
| Premachined hole diameter - imperial (PHD) | F |
| Premachined hole diameter - inch (PHD) | 0.2598 |
| Premachined hole diameter - millimeter (PHD) | 45 |
| Shank | Cylindrical shank with Square |
| Tap chamfer style (TCS) | C 2 - 3 |
| Thread diameter - millimeter (TD) | 6.6 |
| Thread diameter size (TDZ) | 5/16 |
| Thread form (THFT) | UNC - Unified Coarse |
| Threading length - inch (THL) | 0.4567 |
| Threads per inch (TPI) | 18 |
| Tolerance limit | H3 |
| Usable length (ULDR) | 2.5 |
| Usable Length - inch (LU) | 1.3094 |