Lapidary Drill Bits Small Bench Drill 30pcs Ceramic Diamond Coated High Quality

Lapidary drill bits made from diamond powder, high-quality, precise and to use. Quantity: 30PCS. 30× Lapidary Drill Bits. Use high-speed(Up 20000 RPM) to drill holes with our drill bits. The higher speed of drilling machine, the better effect of drilling bits.

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