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+1 (217) 579-8045Basic StandardBS 122/4Connection diameter - fractional inch (DCON MS)5/8Connection diameter - millimeter (DCON MS)15.88Connection diameter tolerance machine side (TCDCONMS)h8Cutting diameter maximum - fractional inch (DCX)7/8Flute count (NOF)4Flute helix angle (FHA)0MaterialHSSOverall length - millimeter (OAL)63.5Peripheral effective cutting edge count (ZEFP)4Radial rake angle (GAMF)0
| Basic Standard | BS 122/4 |
| Connection diameter - fractional inch (DCON MS) | 5/8 |
| Connection diameter - millimeter (DCON MS) | 15.88 |
| Connection diameter tolerance machine side (TCDCONMS) | h8 |
| Cutting diameter maximum - fractional inch (DCX) | 7/8 |
| Flute count (NOF) | 4 |
| Flute helix angle (FHA) | 0 |
| Material | HSS |
| Overall length - millimeter (OAL) | 63.5 |
| Peripheral effective cutting edge count (ZEFP) | 4 |
| Radial rake angle (GAMF) | 0 |