1Set (10Pcs) 0.3mm Carbide CNC Engraving Circuit Board Micro PCB Drill Bits - 0.3mm,1Set (10Pcs)
$10.99
Specification: Cutting edge diameter (CED): 0.3mm; cutting edge length: 5.5mm; shank diameter: 3mm / 1/8" (approx.) overall length: 38mm / 1-1/2" (approx.)