Basic StandardBS 328Clamping width - inch0.248Clamping width - millimeter (WSC)6.3CoatingBright/STConnection diameter - inch (DCON MS)0.3161Connection diameter - millimeter (DCON MS)8.03Cutting diameter step - millimeter5.84EDP number182390Flute count (NOF)6Hand (Cutting direction)RightLength chip flute - millimeter (LCF)105MaterialHSSMaterial applicationK - Cast iron, N - Non-ferrous metals, P - Steel and cast steelMID number5986406Nominal diameter5/16Ordering code ANSIB3015/16Overall length - inch (OAL)5.6299Overall length - millimeter (OAL)143ShankCylindrical shank with SquareSurface treatementSteam TemperedTaper gradient - millimeter (Rate of taper)0.0208
| Basic Standard | BS 328 |
| Clamping width - inch | 0.248 |
| Clamping width - millimeter (WSC) | 6.3 |
| Coating | Bright/ST |
| Connection diameter - inch (DCON MS) | 0.3161 |
| Connection diameter - millimeter (DCON MS) | 8.03 |
| Cutting diameter step - millimeter | 5.84 |
| EDP number | 182390 |
| Flute count (NOF) | 6 |
| Hand (Cutting direction) | Right |
| Length chip flute - millimeter (LCF) | 105 |
| Material | HSS |
| Material application | K - Cast iron, N - Non-ferrous metals, P - Steel and cast steel |
| MID number | 5986406 |
| Nominal diameter | 5/16 |
| Ordering code ANSI | B3015/16 |
| Overall length - inch (OAL) | 5.6299 |
| Overall length - millimeter (OAL) | 143 |
| Shank | Cylindrical shank with Square |
| Surface treatement | Steam Tempered |
| Taper gradient - millimeter (Rate of taper) | 0.0208 |