10 Pcs/set 0.7mm Import Carbide PCB Drill Bits, Print Circuit Board Mini CNC Drilling Bit Set, Woodworking Tools

10pcs/lot 0.7mm PCB CNC Route Drill Bits PCB Print Circuit Board Drill Bits   Suitable Materials:   1. PCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic, stainless steel and precision hardware processing;   2. Circuit board, carbon fiber, composite board, and so on. Feature:   (1) Precision machining by high accurate equipment;   (2) With good milling and cutting performance, ensuring high efficiency;   (3) High hardness, wear resistance, and intensity; anti-bending;   (4) To removing chips, with big space and small resistance;        Smooth chip removal, less heating value, to reduce pollution;   (5) Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;   (6) Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.    Specification Available Size:   (1) Diameter: 0.125" / 3.175mm;        CED: Cutting Edge Diameter;        CEL: Cutting Edge Length;        OVL: Overall Length;   (2) To order, please specify the model you like.          SUPPORT different models / sizes in a package!