10pcs 0.3-1.2mm Mini Tungsten Steel Drill Bits Kit for PCB Circuit Board

Features: 1. Made of tungsten steel, high wear resistance, not easy to bend and break. 2. Small chip removal resistance, smooth to remove chips and drill holes. 3. Sharper cutting edge can reduce cutting force and improve drilling quality. 4. Strictly symmetrical cutting edge can ensure high efficient working and avoid the deviation in drilling. 5. Can be applied to PCB, SMT, mould, hardware processing, electronic industry, etc. Specifications: Condition: 100percent Brand New Material: Tungsten Steel Size: Approx. 9*5.4*1cm/3.54*2.13*0.39in Weight: Approx.37g/1.31oz Package List: 10 * Drill Bits