Specifications: Product Name: PCB Drill Bits; Material: Tungsten Carbide; Drill Bits Diameter(mm): 0.6-1.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 ; Shank Diameter: 3.175mm(1/8); Overall Length: 38mm; Application: Suitable for processingPCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic,Circuit board, carbon fiber, composite board, and so on; Quantity: 10pcs. 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. Package Included: 10 Pcs x PCB Drill Bits