#2 Black 1 1/4″ Adaptor to 5/8″ CORE Drill Adapter – Concrete CORING Drill BIT


  • 1-1/4″ to 5/8″ Adapter
  • For Concrete Core Bits
  • 1-1/4″ Female Threads
  • 5/8″ Male Threads
  • Through Hole in Center for Wet or Dry type Drilling
  • International Express shipping available
  • 30 day easy returns
Guaranteed Safe Checkout


BLACK 1-1/4″ ADAPTOR TO 5/8″ CORING BIT FOR CONCRETE CORE DRILLS. This is a brand new adapter for concrete coring drills. It adapts 1-1/4″ 7UNC threads used by most concrete core drills to 5/8″ 11 which some coring bits take. This allows you to use 5/8″ thread bits with a coring drill. This is a great adapter to use BLUEROCK 5/8″ DRY type coring bits with. Drill and Dry type bit pictured is not included although they are for sale. This is a center hole type adapter and can be used for both wet and dry type drilling.

Additional information

Weight 0.408 kg



‎10.39 x 4.6 x 4.29 cm; 408 Grams