Drillpro 50pcs PCB Drill Bits Set 0.3mm-1.2mm Spiral Flute Carbide for Jewelry CNC Engraving Print Circuit Board Stone D

Drillpro 50pcs PCB Drill Bits Set 0 3mm 1 2mm Spiral Flute Carbide for Jewelry CNC Engraving Print Circuit Board Stone DremelSpecifications Cutting Edge MaterialTungsten SteelShank MaterialHigh Speed SteelSize Selection0 3mm 0 4mm 0 5mm 0 6 mm 0 7 mm 0 8 mm 0 9 mm 1 mm 1 1mm 1 2mm each size have 5 pcs Shank Diameter3 175mmQuantity50pcsFeatures 1 Made from tungsten carbide tungsten steel with high hardness high wear resistance not easy to bend and break 2 Small chip removal resistance smooth to remove chips and drill holes 3 Contains 10 different size drill bits diameter 0 3mm 0 4mm 0 5mm 0 6 mm 0 7 mm 0 8 mm 0 9 mm 1 mm 1 1mm 1 2mm each size have 5 pcs 4 With sharp cutting edge milling and clean surface these sets of tool work quickly and cleanly no glitches or scrap left 5 Commonly used with amber beeswax PCB CNC mold plastic carving copper and other precision drilling 6 It can be applied to PCB SMT mould hardware processing electronic industry etc Package Includes 50xPCB Drill Bits5xBox