Multi-purpose Carbide Drill Bit Set — precise, durable drilling for glass, tile, concrete, brick, metal and wood Key benefits One set for many jobs: drills clean, accurate holes in glass, tiles, concrete, brick, metal and wood, so you can use the same bits across home repair, renovation and DIY projects. Saves time and reduces frustration: the precision tip starts smoothly without wandering, minimizing mistakes and re-drilling. Built to last: premium carbide construction provides high hardness and wear resistance for longer life and consistent performance on hard surfaces. Cleaner results: efficient flute design speeds chip removal for neater holes and less heat build-up. What’s included Seven sizes: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm — covers common anchoring, fixture and mounting needs. Performance and design Premium carbide material: high wear resistance and edge retention for repeated use on demanding materials such as glass and concrete. Efficient flute geometry: designed for fast chip evacuation so holes remain clean and drilling stays efficient. Precision-ground tip: starts reliably without walking, improving accuracy for both professionals and DIY users. Durable finish: blue and silver surface treatment gives a professional appearance and reflects quality manufacturing. Compatibility and ease of use Fits most common electric drills: quick and secure installation for standard chucks used in cordless and corded drills. Suitable for both trade and home use: engineered for professional contractors and homeowner DIY tasks. Practical use scenarios Bathroom and kitchen fittings: drill precise holes through ceramic tile or glass to install towel bars, faucets or shelving without cracking surrounding material. Masonry anchors and shelving: create clean holes in concrete or brick to anchor shelving, railings or outdoor fixtures. Metal and wood fabrication: use the larger sizes for clean, reliable holes in metal brackets or wooden beams during furniture building or repair. Why choose this set Versatile size range and robust carbide construction let you tackle multiple materials confidently with a single set. Designed for accurate starts, efficient chip removal and long-term durability — reducing downtime and replacement costs. Notes Set contains the exact sizes listed: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm. Intended for use in standard electric drills; follow your drill manufacturer’s guidance for optimal results.