50Pcs 0.5-0.9mm Carbide Micro Drill Bit Set for PCB Circuit Board, Jewelry Making & Precision Engraving - High-Speed Steel Mini Drill Bits for DIY Crafts & Electronics Repair

1. Made of premium Carbide with high hardness, wear -resistant,not easy to bend and break. 2. Small chip removal , smooth to remove chips and drill holes.3. Sharper cutting can reduce cutting force and improve drilling quality.4. Strictly symmetrical cutting can ensure high efficient working and avoid the deviation in drilling.5. Can be applied to PCB, ,, hardware processing, electronic industry, etc.Specification:Features:Made of premium Carbide with high hardness, wear -resistant,not easy to bend and break. Small chip removal , smooth to remove chips and drill holes.Sharper cutting can reduce cutting force and improve drilling quality.Strictly symmetrical cutting can ensure high efficient working and avoid the deviation in drilling.Can be applied to PCB, ,, hardware processing, electronic industry, etc.Multiple sizes included in one set to meet different needs.Compact size and stored in a box for easy carry. Specification:Material:CarbideSize: 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mmWeight: 160 g / 5.6 oz(approx.)Package list:1 * white plastic box10 * 0.5 PCB drill bit10 * 0.6 PCB drill bit10 * 0.7 PCB drill bit10 * 0.8 PCB drill bit10 * 0.9 PCB drill bit