Premium Diamond Dry Core Drill Bit (51mm, 63mm, 76mm) – Professional Masonry Hole Saw

As shown in the image Dry core drill bit only.jpg, this industrial-grade Diamond Dry Core Drill Bit is designed for heavy-duty dry drilling through tough masonry materials. Engineered for professionals in HVAC, plumbing, and electrical installations, it cuts exceptionally clean, precise core holes without needing water cooling. Whether you are running plumbing lines, installing air conditioning conduits, or routing electrical mains, this bit provides effortless cutting through red brick, concrete blocks, and cured masonry.

Broad Product Description

The SHOBTA Diamond Dry Core Drill Bit series is the ultimate alternative to messy wet drilling systems. Manufactured with a high-grade steel barrel and induction-brazed diamond-cutting segments, this core bit handles continuous stress without deforming.

The core strength of this tool lies in its specialized dry-cutting formulation. The diamond segments cut cleanly through masonry surfaces instead of fracturing them, drastically reducing the physical vibration passed to your power tool. The integrated teardrop and straight slots on the side body serve a dual purpose: they act as cooling vents to prevent thermal binding and allow the crushed masonry dust to escape automatically. Perfect for remodeling jobs where using water isn’t an option, this core bit saves cleanup time while delivering shop-quality precision on-site.

Size & Application Guide

• 51mm (2 Inch): Perfect for smaller waste pipes, heavy-duty electrical conduits, and bundled cabling.

• 63mm (2.5 Inch): The standard choice for air conditioner copper pipe insulation sleeves and mid-sized drainage lines.

• 76mm (3 Inch): Ideal for exhaust vents, larger plumbing mains, and commercial utility inlets.

Technical Specifications

What’s in the Box?

• 1 x Premium Diamond Dry Core Drill Bit (In your selected size: 51mm, 63mm, or 76mm)