lulshou 10 Pcs Tool Metal Woodworking Circuit Engraving Carbide Micro CNC PCB Drill Bits

10 Pcs Tool Metal Woodworking Circuit Engraving Carbide Micro CNC PCB Drill Bits We don t offer the choice of color we will send the product at random hope you can understand 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. Features: (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. Size: 0.3-1.2mm Package included: 10 *PCB Drill Bits 1*box