VEVOR Core Drill Bit, 4" Wet/Dry Diamond Core Drill Bits for Brick and Block, Concrete Core Drill Bit with Pilot Bit Adapter and Saw Blade, 9.5" Drilling Depth, 5/8"-11 Inner Thread, Laser Welding VEVOR Core Drill Bit, 4" Wet/Dry Diamond Core Drill Bits for Brick and Block, Concrete Core Drill Bit with Pilot Bit Adapter and Saw Blade, 9.5" Drilling Depth, 5/8"-11 Inner Thread, Laser WeldingEfficient and Durable MaterialsLaser WeldingDual-Use Wet and DryEasy OperationWide ApplicationsUniversal DesignWet/Dry Application: Wet or Dry,Net Weight (Including Accessories): 4.6 lbs / 2.1 kg,Maximum Core Depth: 9.5 in / 241.3 mm,Compatible Cutting Materials: Red Brick, Concrete, Foam Brick, etc.,Item Model Number: 102300AA,Compatible Machines: Handheld Drills,Product Dimensions: 11.4 x 4 x 4 in / 290 x 101.6 x 101.6 mm,Diameter: ? 4 in / 101.6mm,Adapter Specification: Inner Thread 5/8"-11,Welding Method: Laser WeldingSpecifications:- Length: 35.0 in, Width: 11.0 in, Height: 11.0 in (description exceeds maximum possible length)