10PCS 0.15-3.05mm Carbide Drill Bits Set PCB Drilling Bit for Milling&Engraving

8mm 10mm Shank Countersink Drill Bit Set Woodworking Cutter, Size: 2mm-7mm. Countersink Drill Bit Set 1PC/5PCS Adjustable 8mm Round Shank Woodworking Cutter. 6-25mm Square Drill Hole Mortise Chisel Cutter Woodworking Twist Drill Bit Set.

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