10Pcs Set Micro Mini Twist Drill Bits Set PCB Print Circuit Board Tungsten Carbide Engraving

Features:

100percent Brand New and High Quality

10pcs carbide micro drill 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 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 acute cutting edge, reduce cutting force and broken drill, improve the quality of hole wall.

The cutting edges strictly avoid partial hole, confirm 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)

Color: Because different production batches, product color will be random,hope you can understand. Thanks! Package Includes: 1 x 10pcs 0.3 1.2mm Drill Bits .