YCNK 10pcs 0.3mm to 1.2mm PCB Print Circuit Board Carbide Dremel Jewelry CNC Engraving Drill Bits Set

Description

Specifications: Material: Carbide (tungsten steel) Diameter: 0.3mm/0.4mm/0.5mm/0.6mm/0.7mm/0.8mm/0.9mm/1.0mm/1.1mm/1.2mm Shank Diameter: 3.175mm Total lenght: 38mm Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment. Quantity: 10 pieces Features: -Large drill bit chip space, chip resistance,Chip smooth, small drilling heat, reduce smear. -Drill has a large scraps discharge space,little resietance and smoothly during the scraps dischange. -Using high quaility materials and fine grinding process makes bit more sharp cutting edge,reduce cutting force and broken drill and improve the quality of hole wall. -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 Includes: 1x Case (0.3-1.2mm) Drill Bit