[1.2mm]
Please note before buying : Picture just as a reference.the actual delivered goods shall prevail !
Type: PCB drill bits
Shank diameter: approx 3.175mm
Material: Tungsten carbide
Replacement for: print circuit board PCB SMT CNC board etc. PCB BOARD
Package content : 10pcs drill( we will send the type which you chose)
The PCB drill bit sets are great for punching at printed circuit boards,cutting and engraving and worked on Acrylic, PVC, Nylon, Resin, Fiberglass,etc.