10pcs Micro Mini Twist Drill Bits Set PCB Print Circuit Board Tungsten Carbide Engraving Tool for PCB Circuit Board 3.0-5.55mm

This micro drills set with high hardness and high wear resistance is a good choice for you. It can be applied to PCB, SMT, mould, hardware processing, electronic industry, etc.
Features:
10pcs micro engraving drill in a set.
Made from tungsten carbide(tungsten steel) with high hardness, high wear resistance, not easy to bend and break.
Small chip removal resistance, smooth to remove 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.
Specifications:
Material: Tungsten Steel + HSS
Item Type: Type 1 / Type 2 / Type 3 / Type 4 / Type 5(optional)
Type 1 Size: 0.25+0.27+0.35+0.45+0.55+0.65+0.75+0.85+0.95+1.05mm
Type 2 Size: 1.0+1.1+1.2+1.3+1.4+1.5+1.6+1.7+1.8+1.9mm
Type 3 Size: 0.3+0.4+0.5+0.6+0.7+0.8+0.9+1.0+1.1+1.2mm
Type 4 Size: 3.0+3.05+3.175+3.2+3.25+3.45+4.0+4.05+4.1+5.55mm
Type 5 Size: 1.15+1.25+1.35+1.45+1.55+1.65+1.75+1.85+1.95+2.05mm
Handle Diameter: 3.175mm
Quantity: 10pcs
Package Size: 8.3 * 5 * 0.9cm / 3.27 * 1.97 * 0.35in
Package Weight: 37g-52g / 1.3oz-1.84oz
Package List:
10 * Micro Drill Bits