ZHWEI Diamond Core Drill Bit 76mm x 400mm

Diameter: 76mm (3 inches)

Length: 400mm (15.7 inches)

Type: 1 1/4" UNC (Universal Nut Connection)

Material: High-quality synthetic diamond segments for durability

Segment Design: Segmented design for efficient cutting and cooling

Application: Ideal for drilling through concrete, stone, granite, brick, asphalt, and other hard materials

Wet Use: Suitable for wet drilling

Mounting Type: Compatible with threaded or welded connection for easy attachment to core drill machines