Description:10pcs 0.3-1.2mm Carbide Micro PCB Drill Bits CNC Jewelry Rotary Tool For PC Boards
Quality carbide micro drill， hard alloy (tungsten steel) material.With high hardness， high wear resistance， high strength， resistance to bending， breakage， etc.Great for PC Boards， Plastics， Fiberglass， Wood， Soft Metals， etc
Specifications:Diameter: 0.3mm\/0.4mm\/0.5mm\/0.6mm\/0.7mm\/0.8mm\/0.9mm\/1.0mm\/1.1mm\/1.2mmShank Diameter: 3.175mmTotal lenght: 38mmMaterial: Carbide (tungsten steel)
Features:Large drill bit chip space， chip resistance，Chip smooth， small drilling heat， reduce smear.Extraordinary cutting edge sharpness， using nanotechnology and advanced grinding technology，reduce the cutting force， reduce the broken drill rate， improve the hole wall quality;Cutting edge strictly symmetrical: beneficial and efficient cutting， avoid offset drilling.Carbide PCB CNC Drill Bits replacements for your CNC machines and any Handheld tool: Dremel， Jewelry.
Package included:1x Case (0.3-1.2mm) Drill Bit