ITEM NAME:10 pcs Corn Milling Cutter 0.8-3.175mm Circuit Board PCB Drill Bit.Sharp cutting edges, milling, holes and board edges, the surface is clean, neat and free of burrs. PCB, SMT, carbon fiber, wood, printed circuit board, and other precision parts processing. It has sufficient bending strength and wear resistance; high hardness, high wear resistance, high strength;.
