10pcs 0.3mm circuit board PCB mini drill bit carving bit for PCB SMT CNC

10pcs 0.3mm circuit board PCB mini drill bit carving bit for PCB SMT CNC
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 : 0.3mm

Material : Tungsten carbide

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

Package content : 10pcs 3.175mm*0.3mm PCB drill bit