MAGBIT 357DLX.1016QC MAG357 5/8-Inch by 8-Inch Molybdenum Coated Heavy Duty Ship Auger Bit Molybdenum coated to run cooler and stay sharp longer High grade 1060 carbon steel stronger than any other auger on the market Molybdenum coating acts as a dry lubricant to prevent clogging and eject chips faster The coating acts as a dry lubricant to prevent the cutting edge from annealing Machined on a true center to minimize run out and reduce fatigue