PREMIUM CORE BITS The PREMIUM CONCRETE CORE BITS are designed for wet drilling applications in concrete that includes light to moderate steel reinforcing. The high diamond concentration ensures excellent footage and cutting speed. All of the bits have a 14" barrel length. Fits on all standard drills and core rigs using a 1-1/4"-7 and 5/8"-11 threaded arbor. Core Bit Features: UNIVERSAL THREADED ARBOR - fits most core rigs and hand drills 14" BARREL - enough length for most applications 10MM SEGMENTS HEIGHT - 20% more life than standard segments MAXIMUM PERFORMANCE - designed for concrete applications Usage: CONCRETE, GREEN CONCRETE, ASPHALT, FIELD STONES Quality Level: PREMIUM DIAMETER     RIM THICKNESS    SEG. HEIGHT        ARBOR        2-1/2"                         14"                       8 mm                    1-1/4"-7