Offset Drill Bit Set | High-Hardness Eccentric Design for Glass, Tile & Stone | 6-14mm Sizes

Achieve precise, clean holes in brittle materials with this high hardness eccentric drill bit. Its unique offset cutting tip and 6-14mm diameter range deliver exceptional control and reduced chipping ...
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Questions about this product
- Why use an offset bit for tile and glass?
- The eccentric offset tip touches less surface at the start, so the bit won't skate or crack the material. That gives you cleaner holes with less chipping in glass, porcelain, and stone. The carbide tip stays sharp through hard, brittle slabs.
- What hole sizes can I drill?
- The set covers 6, 8, 10, 12, and 14mm cutting diameters. That range handles tile, plumbing, and electrical pass-throughs in bathrooms and kitchens. The 6.35mm (1/4 inch) shank fits standard drills and rotary tools.
- Do I need water cooling when drilling?
- Yes. Run it at low speed, around 300 to 800 RPM, with water cooling to protect the tip and the material. Use steady, moderate pressure and let the bit do the work. Skipping water or pushing too hard cracks the surface and burns out the tip.
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