This Vevor 2-1/2" diamond dry coring bit is designed for drilling clean, accurate holes in reinforced concrete, red brick, concrete, and foam brick. It features a 9-1/2" max drilling depth, a 5/8-11 internal thread, and a pilot drill for faster, more precise positioning without pre-drilling. Built from carbon steel with laser welding, it is made for durability and stable high-speed drilling performance. The included adapters expand compatibility with standard drills and hammer drills. This set is well suited for construction, plumbing, HVAC, and renovation projects.
Manufacturer direct shipping from CA, NJ, & TX