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Designed to clean on uneven surfaces
Second coat of compound can be applied immediately with a very light skim-coat to finish
specially designed to adhere to all concrete surfaces
exhaust pipes
Irwin WeldTec 9/16 In. x 17 In. Quick Change Ship Auger Bit DuoFoam Designed to clean on unevenBits are made stronger and last longer because a harder cutting edge is welded to the base material. 2X nail cutting life compared to standard Irwin ship augers. Patent Pending welded cutting edge for increased durability. Aggressive screw pitch for faster drilling. Wide flutes for maximum chip removal. Quick change impact shank for fast bit changes. Fully forged body on bits 3 4" diameter and larger for durability. Tubed.