5/8"-11(M) To 1-1/4"-7(F) Core Bit Adaptor/Reducer

5/8"-11(M) to 1-1/4"-7(F) Core Bit Adaptor/Reducer

Allows you to use small core bits with 5/8"-11 internal threads on core drills with 1-1/4" threads.  Use between drill motor & core bit. Buy in a 3-pack to save $$$.