1-1/4 inch Super Plus Quality Diamond Core Bits For Wet/Dry Drilling
1-1/4 Super Plus Quality Diamond Core Bits For Wet/Dry Drilling on Concrete, Asphalt, and Stone Brick. All bits are 17” long to produce 12” core. Bits 1 5/8″ and larger are threaded for a 1-1/4″ – 7 adapter.