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Working on a lapidary project, cutting glass, or drilling tiles?

This 10-piece set of diamond-coated drill bits from Joiner is exactly what you need.

Each bit is 6mm (1/4 inch) in diameter and features a super-thin, hollow core design, perfect for making clean, precise holes in hard materials like stone, glass, ceramic, and tile.

They're designed for use with rotary tools or drills.
The diamond coating provides long life and smooth cutting.

Made of metal with a diamond grit, they're a great addition to any jeweler's, hobbyist's, or DIYer's toolkit.
10 pieces give you plenty of backups for your projects.

Made in China.
Get drilling!

4.4 out of 5