Irwin Speedbor 4935574 1-3/8" x 17" Welded Cutting Edge Ship Auger Bit 5-1/2" bi-metal hole saw bit

5-1/2" bi-metal hole saw bit

1-3/4" cut depth

Thread Size: 2-11 1/2

Paradigm technology combines a unique specification blend that increases blade speed and product life to optimize performance in multiple flat saw horsepower ranges cutting medium aggregate concrete

Irwin Speedbor 4935574 1-3/8" x 17" Welded Cutting Edge Ship Auger Bit 5-1/2" bi-metal hole saw bitWeldTec ship auger bits are made stronger and last longer because a harder cutting edge is welded to the base material. They have 2 times the nail cutting life compared to standard IRWIN ship augers, and Wide flutes for maximum chip removal and less binding. Specifications Brand: Irwin Product Line: Speedbor Flute Type: Wide Number of Flutes: 1 Shank Diameter: . 4375 in Material: Carbon Steel Shank Type: Quick Change Impact Hexagonal Flute Length: 12