Concrete Diamond Core Bit – 71 mm

Overview
The 71 mm concrete diamond core bit is designed for drilling reinforced concrete, brick, and masonry. It adopts high-strength diamond segments to deliver fast cutting speed, clean edges, and long service life. The detachable tail design allows easy removal of core waste from the barrel, ensuring smooth and efficient operation. It supports both dry and wet drilling, making it versatile for different job site conditions.

Features

• High-grade diamond segments for sharp and durable performance

• Detachable tail for quick cleaning of debris inside the barrel

• Stable drilling: resists burning and jamming

• Threaded connection for quick installation on core drilling machines

• Suitable for dry and wet drilling methods

• Wide range of sizes available to meet different installation needs

Specifications

• Diameter: 71 mm

• Length: 350–370 mm (depending on model)

• Connection: Threaded fitting

• Material: Steel barrel with diamond cutting segments

• Application: Reinforced concrete, brick walls, masonry

• Drilling Method: Dry / Wet dual use

Usage Scenarios

• Air conditioner pipe installation holes

• Water and electrical conduit drilling

• Exhaust and ventilation openings

• General construction and renovation works