SHDIATOOL Diamond Core Drill Bit 35mm (1-3/8 in) for Porcelain, Tile, Marble & Brick

SHDIATOOL 35mm Diamond Core Drill Bit for Porcelain and Stone

Meet the SHDIATOOL Diamond Core Drill Bit, a versatile tool designed to drill clean, precise holes in porcelain tile, marble, brick and other masonry materials. The 35 mm diameter (1-3/8 in) is paired with a 5/8-11 arbor for compatibility with common angle grinders. The bit features a vacuum brazed diamond core with a diamond height of 15 mm and a total length of 75 mm, delivering stable performance across many drilling tasks. The setup supports both dry and wet drilling, making it suitable for a range of job sites—from a DIY bathroom update to a professional remodeling project.

Key specifications and design highlights

• Diameter: 35 mm; arbor: 5/8-11; diamond height: 15 mm; total height: 75 mm
• Vacuum brazed diamond construction for smooth, fast cutting
• Designed for angle grinders; max working depth around 50 mm
• Supports dry and wet drilling on porcelain, tile, marble, stone masonry and brick

The tool is built to handle the demands of both DIY projects and professional installations. By combining a robust core with a resilient diamond layer, it helps create holes with minimal edge chipping and a cleaner overall finish. While results vary by material and technique, users often notice more consistent hole size and quieter operation compared to standard drill bits.

Practical use cases

Installers commonly use this core bit for fixture holes, plumbing and wiring runs, or anchor placements in ceramic and natural stone surfaces. It is well suited for bathroom renovations, kitchen backsplash work, or brick-and-stone façades where reliable core drilling matters. The 50 mm max depth supports mid-thickness material work without excessive tool wear.

• Porcelain ceramic tile: precise, chip-free holes for anchors
• Marble and natural stone: steady cutting with minimal vibration
• Brick and masonry: dependable core drilling for utility passes
• Dry or wet operation: flexible use on-site or in the workshop

Tips for best results

To maximize life and performance, maintain a steady feed and use a compatible arbor. For tougher materials, consider light lubrication or water cooling during drilling to dissipate heat. Always wear PPE and follow grinder safety guidelines.