Blockchain MinerChina Carbide End Mill 2 or 4 Flutes 4mm 8mm 5mm 10mm Cutting Dia R2.0 R4.0 R2.5 R5.0mm CNC Milling HRC45, Find details about China Carbide End Mill 2 or 4 Flutes, R 0.5-R 10 2-Flute CNC from Carbide End Mill 2 or 4 Flutes 4mm 8mm 5mm 10mm Cutting Dia R2.0 R4.0 R2.5 R5.0mm CNC Milling HRC45