Shaft Adapter for Core Drill, 1 1/4″-7 Female to 5/8″-11 Male
Shaft Adapter for Core Drill, 1-1/4″-7 Female to 5/8″-11 Male, for Use with Diamond Core BitsShaft Adapter, 1-1/4″-7 Female to 5/8″-11 Malefor Use with Diamond Core Bits5/8″-11 male thread fit: dry core bits, and wet core bits of 1-1/2″ and below.Fit drill arbor: 1-1/4″-7 female