3 Inch Professional quality Diamond Core Bit For Wet/Dry Drilling Concrete, Asphalt, Stone Brick, Reinforced Concrete and Hard Masonry.

• Laser wielded ,Segment height 0.400”
• All bits are 17” long to produce 12” core.
• Bits 5/8” to 1-1/2 are threaded for a 5/8"-11 adapter
• Bits1-3/4”and larger are threaded for a 1 1/4"-7 adapter.
• Applications: Brick, Concrete Block, Granite, Hard Concrete, Reinforced Concrete (medium to heavy steel rebar), Hard Masonry.
• Equipment: Core Drill or Core Rig