10 PCS Drill 3.175mm Carbide End Mill Engraving Bits CNC PCB Machinery 0.5mm Cutting Tool

Specification: Material: solid carbide(Tungsten steel) Shank diameter: 3.175mm /0.125 inch Cutting edge diameter: 0.5mm Total length: approx. 38.00?.20mm Features: These Engraving bits have sufficient flexural strength and wear resistance Milling, hole and plate edge, surface clean, tidy, no burr Made from ultra-fine grain carbide material which of good milling properties to ensure efficient work A Wide Range of Materials can be engraved, including: Circuit boards,Metal,Majority of plastics, Wood,SMT,Fibre glass, Carbon,FR-4, CEM-3 board and environmental board Package included:10Pcs Carbide End Mill Engraving Bits 0.5mm