Industrial‑grade tungsten‑cobalt carbide PCB router bit. Shank 3.175mm, total length 38mm. Burr‑free cutting for circuit board, bakelite, epoxy board, plastic, ceramic and metal. Source factory, non‑standard sizes customizable. For professional equipment only.

DLC Diamond Coated Tungsten Steel Corn Milling Cutter (PCB Router Bit). Adopts imported tungsten steel substrate & DLC diamond coating. Double‑edge fishtail teeth design delivers sharp burr‑free cutting. Excellent heat dissipation & smooth chip evacuation. Works for CNC engraving machines, PCB, carbon fiber, glass fiber, composite materials. Non‑standard customization is supported.