Made from tungsten carbide(tungsten steel) with high hardness, high wear resistance, not easy to bend and break.
Small chip removal resistance, smooth to get rid of chips and drill holes.
Sharper cutting edge can reduce cutting force and improve drilling quality.
Strictly symmetrical cutting edge can ensure high efficient working and avoid the deviation in drilling.
Can be applied to PCB, SMT, mould, hardware processing, electronic industry, etc.
Multiple sizes included in one set to meet different needs.
100% brand new and high quality!
Material: Tungsten Steel + HSS
Item Type: 0.25+0.3+0.35+0.4+0.45mm
Handle Diameter: 3.175mm

Package Included:
50pcs x Micro Drill Bits

Note:

Please allow 1-5mm errors due to manual measurement.
Due to light and screen setting difference, the color of item may be slightly different from pictures.