Diamond Products - 4 Inch Commander Core Bore Concrete Coring Bit (74513) 

The Diamond Products Commander Core Bore 6" Core Bit - Product number 71200 - Commander Core Bit is one of the best performing bits in reinforced concrete.  Diamond Product Commander Core Bits are extremely fast cutting right out of the box.  Diamond Products Commander Concrete Core Bore Bits feature  V-shape segmented cutting surface that significantly improves cutting performance in concrete with tough aggregates.  High quality diamonds and precision manufacturing make the Commander Core Bore Bit a GO TO bit for everyday concrete coring!

Commander Core Bore Reinforced Concrete Core Bits by Diamond Products - Very high-quality diamond with a V-shaped segment for the fastest coring right out of the box in reinforced concrete!