Printbor 0.3mm to 1.2mm

10pcs carbide micro drill 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2mm
Drill has a large scraps discharge space, little resistance and smoothly during the scraps discharge.
Use high quality materials and fine grinding process makes bit more sharp cutting edge, reduce cutting force and broken drill, improve the quality of hole wall.
The cutting edges strictly avoid partial hole, ensure the quality.
Long life, it can drill 2000-5000 pcs under normal working conditions, also can return grinding 4-5 times
Shank diameter: approx. 1/8" (3.175mm)
Quantity: 1 box(10pcs)