4 Inch Wet Dry Diamond Core Drill Bit for Concrete Brick and Masonry

Cut cleaner holes with less hassle using this diamond core drill bit, built for demanding concrete and masonry projects. Its 4-inch diameter and 9.5-inch drilling depth make it a practical choice for contractors, installers, renovators, and serious DIY users. The concrete core drill bit supports wet drilling for reduced dust or dry drilling when speed and convenience matter. A universal 5/8-11 inner thread fits compatible handheld drilling equipment, while laser-welded diamond-grit teeth provide dependable wear resistance.

Key Features

• 4-inch diameter with a 9.5-inch maximum core depth for deep, precise openings.
• wet dry core drill bit design gives you flexibility for different jobs and working conditions.
• Carbon steel construction with diamond-grit teeth and laser welding supports durable, efficient cutting.
• Includes a pilot bit for alignment plus an 80 mm diamond saw blade for additional cutting tasks.

Why Choose Our 4 Inch Wet Dry Diamond Core Drill Bit

Unlike basic masonry drill bits designed for smaller holes, this core bit combines substantial drilling depth, wet/dry versatility, and a complete accessory setup. The pilot bit helps establish accurate positioning, while the included saw blade adds extra utility without requiring a separate purchase. Its 5/8-11 connection also makes installation straightforward on compatible equipment.

Perfect For

Ideal for drilling concrete, red brick, foam brick, masonry, and similar construction materials. Use it for air-conditioning installations, pipe openings, railing projects, renovation work, construction jobs, and other applications requiring clean, large-diameter holes.

Make Tough Drilling Jobs Easier

Add this 4 Inch Wet Dry Diamond Core Drill Bit to your toolkit and tackle demanding drilling projects with greater accuracy, versatility, and confidence.