This 12pcs diamond drill bit set for glass, marble, and stone provides professional-grade hole cutting from 6mm to 35mm. The electroplated diamond grit ensures fast, clean drilling with minimal chipping, while the included mandrel and center punch offer complete control for precise results on hard, brittle materials. Features and Benefits
- Full 6-35mm Size Range - Covers the most common hole diameters needed for plumbing, wiring, and installation tasks in one complete kit.
- Electroplated Diamond Grit - Bonds diamond particles directly to the steel core for superior cutting speed and longer bit life compared to surface-coated alternatives.
- 1/4-Inch Hex Shank Mandrel - Provides a secure, non-slip connection with standard hand drills and drill presses for stable, vibration-free operation.
- Included Carbide Center Punch - Creates a perfect starter guide hole to prevent the bit from wandering on smooth surfaces like glass and tile.
- Durable Steel Construction with Laser Etching - Each bit features permanently marked sizes for easy identification and is built to withstand repeated use.
- Comprehensive 12-Piece Kit - Offers exceptional value with all necessary components, eliminating the need for separate purchases. Applications
- Bathroom & Kitchen Installation - Create clean holes in ceramic tile, porcelain, and natural stone for faucets, shower fixtures, and toilet paper holders.
- Craft & Home DIY Projects - Drill decorative or functional holes in glass bottles, marble slabs, and granite for custom lamps, planters, or shelving.
- Plumbing & Electrical Work - Make precise openings in hard materials for running pipes, conduit, and cables during renovation and construction.
- Aquarium & Terrarium Setup - Safely drill ventilation and tubing holes in thick glass panels without cracking or shattering the material. Note
For best results and maximum bit longevity, use with water as a coolant and lubricant during drilling. Apply steady, moderate pressure and avoid overheating.
Compatible Materials: Glass, Marble, Stone, Granite, Tile, Ceramic. Bit Material: Steel with diamond-coated cutting edge. Storage: Case (implied standard for kits). Drill Bit Diameter Range: 6 mm to 35 mm. Included Components: Hole saw bits, Hand tools. Product Type: Diamond Drill Bit Set. Quantity: 12 pieces. Shank Diameter: 6.35 mm (1/4 inch) (implied standard for hand tools). Shank Type: Round (standard for hand tools). Bit Diameter Range: 6 mm to 35 mm. Mandrel/Arbor Thread Size: Standard M10 or M12 (inferred for compatibility). Bit Construction: Segmented or Continuous Rim Diamond Grit Design. Bit Material: Steel Core with Sintered Diamond Grit Coating. Compatible Materials: Glass, Marble, Granite, Stone, Ceramic Tile. Bit Depth Capacity: Standard Hole Saw Depth (Approx. 20-30mm typical). Required Drill Speed: Low RPM (Recommended < 1000 RPM). Drill Compatibility: Standard Rotary Drill, Drill Press, or Variable Speed Hand Drill. Application: Wet Drilling for Hard, Brittle Non-Ferrous Materials. Bit Quantity: 12 pieces. Bit Shank Type: Standard Round Shank (for drill chucks). Cooling Requirement: Water Cooling Recommended (for material integrity and bit life). Cutting Method: Abrasive Grinding (not traditional cutting). Grit Type: Industrial Diamond Abrasive Particles. Product Type: Diamond Grit Hole Saw Drill Bit Set. Set Includes: Multiple Diamond Grit Hole Saws, Hand Tools (e.g., Mandrel/Arbor, Center Punch, Guide). Storage: Included Case or Pouch for Organization. Q: What are the exact sizes included in this 12-piece diamond drill bit set? A: This set includes 12 diamond drill bits ranging from 6mm to 35mm in diameter. The specific sizes are typically 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 30, and 35mm, providing a versatile range for various hole-cutting needs in hard materials.. Q: How durable are these diamond drill bits for cutting through granite and marble? A: These diamond drill bits are designed with a durable, diamond-impregnated cutting edge specifically for hard materials like granite and marble. They are engineered to resist wear and provide a long service life with proper use and cooling, making them suitable for both DIY projects and professional applications.. Q: Can I use this diamond hole saw kit to drill into ceramic tile for a bathroom project? A: Yes, this diamond drill bit set is perfectly suited for drilling clean holes in ceramic tile, as well as porcelain tile. The diamond grit provides a smooth, chip-free cut when used with water for cooling, which is essential for bathroom installations like faucets or shower fixtures.. Q: Does this product come with any warranty or guarantee? A: While specific warranty terms can vary by seller, products like this diamond drill bit set typically come with a standard manufacturer's guarantee against defects in materials or workmanship. We recommend checking the product listing or contacting the seller directly for the exact warranty details.. Q: Is this 12pcs diamond drill bit set a good value compared to buying individual bits? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. Purchasing this comprehensive 12-piece set is significantly more cost-effective than buying individual diamond drill bits, and it delivers reliable performance for regular use on glass, tile, stone, and marble..