General description This Mophorn Core Drill Bit is designed for wet cutting, featuring a diameter of 4.25 inches (108 mm) and a maximum drilling depth of 14 inches (355 mm). Crafted from high-quality carbon steel with diamond-grit teeth, it ensures outstanding wear resistance and durability. The laser welding technology enhances its performance, making it suitable for various tough materials including reinforced concrete, red bricks, and foam bricks. Technical specifications Item Model Number: 108400BC Diameter: Φ 4.25 in / 108 mm Adapter Specification: Inner Thread 1-1/4"-7 Maximum Core Depth: 14 in / 355 mm Welding Method: Laser Welding Wet/Dry Application: Wet Product Dimensions: 18.5 x 4.3 x 4.3 in / 470 x 108 x 108 mm Net Weight (Including Accessories): 6.7 lbs / 3.04 kg Compatibility and accessories Compatible Machines: Water Drill, Core Drill Rig Compatible Cutting Materials: Reinforced Concrete, Red Brick, Concrete, Foam Brick, etc. Package Content: 1 x Core Drill Bit, 1 x