BEYOND SNGR08K07 Indexable Internal Grooving Threading Boring Bar | 8mm (5/16" Equivalent Shank) CNC Lathe Turning Toolholder Body Compatible with 7GR Geometries (Precision Micro Hole Slotting System) DNMG 431-PM High-Speed Gray Iron Specialist |

High-Speed Gray Iron Specialist | Flat-Top Rigidity | 0

Chips curl perfectly and the surface finish is consistently within tolerance

we highly recommend our CVD-coated BYM11 grade to withstand abrasive friction and thermal shocking

"Solid build quality and great black finish

Offers higher wear resistance at faster speeds but is more likely to chip during sudden impacts

BEYOND SNGR08K07 Indexable Internal Grooving Threading Boring Bar | 8mm (5/16" Equivalent Shank) CNC Lathe Turning Toolholder Body Compatible with 7GR Geometries (Precision Micro Hole Slotting System) DNMG 431-PM High-Speed Gray Iron Specialist |BEYOND SNGR08K07 Indexable Internal Grooving Threading Boring Bar 8mm (5 16" Equivalent Shank) CNC Lathe Turning Toolholder Body Compatible with 7GR Geometries (Precision Micro Hole Slotting System) CRITICAL EXCLUSION NOTICE: The premium indexable carbide internal grooving, micro slotting, or internal threading insert (Model: 7GR, 7GL series, or equivalent) shown mounted inside the precision internal pocket seat within our product photography,