Tip spiral flute tungsten carbide drill bits with shaper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy.
Great for drilling PC Boards, Plastics, Fiberglass, Wood, Soft Metals and more.
Carbide tipped drill bits with high hardness, high wear resistance, high strength, resistance to bending, anti-impairment and long tool life.
Large drill bit chip space, chip resistance,Chip smooth, small drilling heat, reduce smear.
Drill has a large scraps discharge space,little resistance and smoothly during the scraps discharge.
Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment

Diameter:

• 0.3mm
• 0.4mm
• 0.5mm
• 0.6mm
• 0.7mm
• 0.8mm
• 0.9mm
• 1.0mm
• 1.1mm
• 1.2mm

Quantity: 10pcs