A1 Quick Hitch Arbor for 14-30mm Hole Saw
The Starrett A1 Arbor with 6.35mm (1/4") high speed steel pilot drill and 8.75mm (11/32") hex shank, fits hole saw diameters 14-30mm (9/16" - 1.3/16"). A set screw in the body allows for easy replacement of the pilot drill. Recommended for Constant (SH) and Dual Pitch (DH) Bi Metal Hole Saws
