DaduoRi 4 1/4" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank, 9.5" Drilling Depth, 4.25in Core

DaduoRi 4 1/4" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank, 9.5" Drilling Depth, 4.25in Core

【Complete Package】Includes 5/8"-11 Thread Adapters to SDS Plus, SDS Max, and 1/2" Hex Shank, along with a User Manual and Dry Core Drill Bit (4.25-inch diameter with a 5/8-11 thread and a maximum working depth of 9.5 inches) 【Versatile Compatibility】Equipped with adapters for easy use with rotary hammers and standard drills, compatible with both fixed or handheld drilling machines with 5/8-11 threads, ensuring broad applicability and flexibility in various drilling scenarios (Never use the hammering mode) 【Efficient Dry Drilling】This 4 1/4" concrete drill bit designed for dry drilling but recommended to use water when encountering concrete (non-reinforced) to prevent tooth breakage and enhance drilling efficiency 【High Concentricity】DaduoRi 4 1/4 inch dry diamond core drill bits for concrete ensures uniform and precise cutting, enhancing overall drilling performance 【Compatible Materials】Suitable for drilling into Brick, Block, Stucco, and Masonry, making it good for HVAC installation, electrical work, and plumbing projects DaduoRi 4 1/4 inch Dry Core Drill Bit,5/8"-11 Thread: 1.Versatile Compatibility: Equipped with adapters for easy use with rotary hammers, compatible with both fixed or handheld wet drilling machines with 5/8-11 threads, ensuring broad applicability and flexibility in various drilling scenarios. 2.Efficient Dry Drilling: Designed for dry drilling but recommended to use water when encountering concrete or high-hardness materials to prevent tooth breakage and enhance drilling efficiency.