π7725k Our most advanced matrix yet. A unique 50/50 mix of advanced golf ball segments and 777 speed segments. The 7725k Matrix configuration is our most advanced bond combining speed & life in a revolutionary new design. Ideal for regular concrete with rebar and general concrete work. For pre-cast please see our precast bits. β’ conectors 1 1/4" & 5/8" buy adaptor by clicking here Protech Diamondβ’ offers a complete range of concrete cores for any concrete coring job. Protechβs state-of-the-art Western Canadian manufacturing facility uses premium grade made in the USA steel cores β our diamond core bits evolved over decades of field testing, innovation, and engineering. We produce a high-quality core with a wide selection of bonds to suit any material.
