Product Overview
Diamond Core Drill, 5/16" Diamond Core Drill, .32" Outer Diameter, .25" Inner Diameter, 1/4" Shank Diameter, 1" Shank Length, 2-1/4" Overall Length, 60 Diamond Grit Size, 1 per Pack". Alfa Tools DD7004 5/16" x 60 Grit Diamond Core Drill
