Diamond Crown Hex 29mm core drill bit — MILWAUKEE

The MILWAUKEE Diamond Crown Hex 29mm is a 29 mm diameter diamond core drill bit engineered for creating precise circular holes in hard surfaces. Designed with a hex shank for a secure fit in chucks or quick-change adapters, this diamond core bit provides the cutting performance required for tile, stone and masonry work in construction and renovation projects. Its diamond cutting edge is intended to deliver clean openings while maintaining shape and diameter accuracy during repetitive drilling tasks.

Advantages

The hex shank ensures positive engagement with compatible drill chucks and adapters, reducing slippage during high-torque operation. The diamond-embedded cutting edge provides efficient material removal on dense and abrasive surfaces while preserving core integrity. The 29 mm diameter offers a standardized size for common openings such as pipe passages, fixture mounts and inspection ports. The bit’s construction is focused on longevity and consistent hole quality when used according to material and drilling recommendations.

Suitable for

• Drilling holes in ceramic and porcelain tiles
• Creating openings in natural and engineered stone
• Core drilling through masonry and concrete with tile or stone finishes
• Making precise pass-throughs for pipes, conduits and fixtures during renovation

Key specifications

• Cutting diameter: 29 mm
• Shank type: hex shank for secure chuck/adapter engagement
• Cutting edge: diamond segment for hard and abrasive materials
• Intended materials: tile, stone, masonry and similar hard surfaces

How to use

Mark the hole location and secure the workpiece as needed. Fit the Diamond Crown Hex 29mm into a compatible drill or adapter with a matching hex holder. When drilling tile or stone, begin at low speed to establish the groove, then apply steady pressure and moderate speed; maintain control to avoid overheating or chipping. For masonry or concrete beneath tile, consider using water cooling if appropriate and a drill capable of sustaining the load. Withdraw the bit periodically to clear debris and check progress to preserve cutting performance and hole quality.

Usage recommendations

Use appropriate personal protective equipment such as eye protection, gloves and dust extraction. Match drilling speed and feed pressure to the material—lower speeds for tiles and higher torque for masonry. For extended life and cleaner holes, use water cooling where applicable and allow the bit to cool between prolonged uses.