DEDRA Diamond Core Drill Bit Vacuum Brazed M14 35 mm

Drilling through hard, brittle materials like ceramic tiles, porcelain, or granite often leads to chipping, cracking, and premature wear of standard drill bits. The DEDRA Diamond Core Drill Bit, vacuum brazed with industrial diamonds and fitted with an M14 thread, tackles these challenges head-on, providing clean, precise holes in demanding materials without the need for a hammer action.

Who is it for

This 35 mm diamond core bit is an essential tool for professional tilers, plumbers, electricians, and DIY enthusiasts who need to create accurate holes in ceramic, porcelain, stoneware, granite, marble, glass, tiles, and natural stone. Whether you're installing bathroom fittings, running pipes, or mounting fixtures, this bit ensures a smooth, chip-free cut every time.

Main features

• Vacuum brazed construction for superior diamond retention and heat resistance
• Hollow core design for efficient debris removal and faster drilling
• M14 thread compatible with standard angle grinders
• Dry or wet drilling capability – use with air cooling for short tasks, or water for extended tool life
• High-grade steel body offers durability and stability during use

Specifications

• Drill bit type: Diamond core drill bit
• Drilling diameter: 35 mm
• Mounting thread: M14
• Manufacturing process: Vacuum brazed
• Application tool: Angle grinder
• Material compatibility: Ceramic, porcelain, stoneware, granite, marble, glass, tiles, natural stone
• Drilling method: Dry (with air cooling) or wet
• Core type: Hollow
• Body material: High-grade steel
• Cutting edge material: Industrial diamonds

Tips

For best results, start drilling at a slight angle to create a guide groove, then gradually straighten the bit. Use water cooling for extended drilling sessions to prolong bit life and achieve cleaner cuts.