BB Corn End Mill CNC DIY Cutting Tool Solid Carbide Engraving Router Bits PCB Bakelite Fiberglass 3.175 4 6 8 10 Shank Diameter

BB Corn End Mill CNC DIY Cutting Tool Solid Carbide Engraving Router Bits PCB Bakelite Fiberglass 3.175 4 6 8 10 Shank Diameter

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