10pcs 0.5mm circuit board PCB mini drill bit carving bit for SMT CNC Φ3.175mm

10pcs 0.5mm circuit board PCB mini drill bit carving bit for SMT CNC Φ3.175mm
Please note before buying : Picture just as a reference.the actual delivered goods shall prevail !

Condition : Brand new

Type : PCB drill bit

Shank diameter : 3.175mm

Cutting edge diameter : 0.5mm

Material : Tungsten carbide

Suitable for : Print circuit board PCB SMT CNC board etc.

Package content : 10pcs 3.175mm*0.5mm PCB drill bit