VEVOR Core Drill Bit, 4.25" Wet Diamond Core Drill Bits, 14" Drilling Depth Concrete Core Drill Bit with Saw Blade, 1-1/4"-7 Inner Thread, Laser Weldi

VEVOR Core Drill Bit, 10.8 cm Wet Diamond Core Drill Bits, 35.6 cm Drilling Depth Concrete Core Drill Bit with Saw Blade, 3.2 cm-7 Inner Thread, Laser Welding, Diamond Wet Coring Bit for Concrete Brick Efficient and Durable Materials Laser Welding Dust-Free Wet Cutting Easy Operation Wide Applications Universal Design Wet/Dry Application: Wet,Net Weight (Including Accessories): 6.7 lbs / 3.04 kg,Maximum Core Depth: 14 in / 355 mm,Compatible Cutting Materials: Reinforced Concrete, Red Brick, Concrete, Foam Brick, etc.,Item Model Number: 108400BC,Compatible Machines: Water Drill, Core Drill Rig,Product Dimensions: 18.5 x 4.3 x 4.3 in / 470 x 108 x 108 mm,Diameter: Φ 4.25 in / 108mm,Adapter Specification: Inner Thread 1-1/4"-7,Welding Method: Laser Welding