ITEM NAME:10Pcs 0.8-3.175Mm Pcb Drill Bits 1/8 Inch Cnc End Mill Engraving Cutter Set A4O6 10Pcs 0.8-3.175Mm Pcb Drill Bits 1/8 Inch Cnc End Mill Engraving Cutter Set A4O6 Brand new Quantity: 10pcs per set good milling, cutting performance, ensure high work efficiency; Have sufficient bending strength and wear resistance; High hardness, high wear resistance, high strength; Sharp cutting edge, milling, hole and plate edge, surface clean, neat, no glitches. Using ultra-fine grained car