Heavy Duty Orange Wet Core Bits for fast drilling of concrete Excellent footage and drilling speed. Designed for all types of wet drilling in applications with light to moderate steel.Very high-quality diamond and longer coring life. ORDERING INFORMATION All bits may be ordered with custom bonds Note: All diameters are nominal. Exact tolerances upon request. Core Bit Lengths: 1/2" to 7/8" Diameter Core Bits Standard Core Length= 12", 1" to 14" Diameter Core Bits Standard Core Length = 13" 16" Diameter Core bits Standard Core Length = 19"/18" Diameter Core Bits Standard Core Length = 22" 20" to 30" Diameter Core bits Standard Core Length = 23" Note: Any length available upon request. Hub Sizes: 1/2" to 1-1/2" = 5/8"-11 threaded hub. 1-5/8" and up = 1-1/4"-7 threaded hub Smaller Sizes Standard Gold Segmented Wet Core Bore Bit Premium Black Wet Core Bits