Diamond Products Core Bore 8 Heavy Duty Orange Wet Diamond Core Bit. For wet core drilling into concrete. Diamond Products most popular core bit, Heavy Duty Orange gives excellent footage and drilling speed. Designed for applications with light to moderate steel. Core Bore, The Standard in Core Drilling.Diamond Products Heavy Duty Orange is the best bit in the industry. Nothing gives you better cutting performance for the dollar. The item "Diamond Products 05183 8 Heavy Duty Orange Diamond Core Bore Bit" is in sale since Monday, May 11, 2020. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Levels & Surveying Equipment\Transits & Theodolites". The seller is "thepowertoolstoredirect" and is located in Green Bay, Wisconsin. This item can be shipped to United States.