Amazon.com: 1/8 carbide drill bit
10 Pcs 0.3mm-1.2mm Tungsten Carbide Macro Drill Bits Set, PCB Drill Bit Set, Mini Drill Bit 1/8' Shank for Print Circuit Board, Amber, Beeswax, Rough Stone, Dremel, Jewelry, CNC Punching Engraving. 3.9 out of 5 stars. 470. $7.18.
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