Sheffield ARB-2 Alpha Series Arbor, For Holesaws 32mm-250mm, 7/16" Hex Shank for 13mm (1/2") Chuck

Large Hex shank heavy duty screw up design.

Features:
• 7/16" quick change shank for a 13mm (1/2") chuck.
• Designed to assist in the quick location and fitment for standard type holesaws (made to international thread pattern).
• Fully engages into the holesaws quickly with one sliding action of the collar.
• The drive pins self locate into the drive holes in the holesaws.
• Made from through hardened chrome alloy steel these arbors suit holesaws from 32mm up to 250mm