IRWIN 325006, 3-1/8″ x 12″ Carbide Core Bit, Spline Shank. Fit all spline rotary hammers. Delivers power to the tips more efficiently than 2-piece designs. Reduces breakage and other problems associated with 2-piece designs. Maximum drilling depth is 2-5/8. Listing and template services provided by inkFrog. The item “IRWIN 325006, 3-1/8 x 12 Carbide Core Bit, Spline Shank” is in sale since Saturday, February 16, 2019. This item is in the category “Business & Industrial\Light Equipment & Tools\Drills & Hammers\Core Drills & Rigs”. The seller is “allthesethings6″ and is located in Sugarcreek, Ohio. This item can be shipped to United States.