Concrete Diamond Core Bit – 66 mm

Overview
The 66 mm concrete diamond core bit is a practical size for HVAC, plumbing, and electrical installations. Designed for drilling reinforced concrete, brick, and masonry, it uses high-quality diamond segments to deliver fast cutting, smooth hole edges, and long service life. The detachable tail design allows easy removal of core waste inside the barrel, ensuring efficient drilling performance. Suitable for both dry and wet applications.

Features

• High-performance diamond segments for sharp and durable cutting

• Detachable tail for quick core waste removal

• Smooth drilling: no burning, no jamming

• Threaded connection for easy attachment to drilling machines

• Supports both dry and wet drilling methods

• Mid-range diameter suitable for versatile installation needs

Specifications

• Diameter: 66 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 and conduit installation

• Water pipe and cable routing holes

• Exhaust fan and small ventilation openings

• General construction and renovation drilling