Sign up for JINGLING 10-Pack Diamond Drill Bits — 3.5mm (7/64"), 0.5mm Thin Rim, For Gemstones, Glass, Rocks, Jewelry Making
Drill clean, precise holes in hard materials with these diamond-coated drill bits!
Perfect for gemstones, glass, rocks, tiles, and more, each bit has a super-thin 0.5mm rim to minimize material waste and reduce chipping.
The 3.5mm (about 7/64\) diameter is great for jewelry making, lapidary work, or DIY crafts.
Made from steel with a fine diamond plating, they're sharp, durable, and built to last.
Each bit is 50mm long with a 3mm shank that fits most rotary tools or drills.
The pack includes 10 bits, so you'll have plenty for multiple projects or replacements.
Whether you're a hobbyist creating custom jewelry or a pro working with brittle materials, these bits deliver smooth, accurate holes without the frustration.
Just use water or coolant while drilling to keep things cool and extend the life of your bits.
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