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Irwin Speedbor 1/2" x 17" Weldtec Tubed Auger Bit

Brand: Irwin Mfg#: 3043005
Product#: 1733043005
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Speedbor Weldtec Nail Cutting Wood Ship Auger Bit, 0.5 in Diameter, Wide Flute, 12 in Flute Length, 17 in Overall Length, 1 Flute, 0.4375 in Shank, Hexagonal Shank, Carbon Steel


  • Patent pending welded cutting edge
  • Fully forged body on bits 3/4 in diameter and larger
  • Wide flutes
  • 2X nail cutting life compared to standard IRWIN ship augers
  • SPEEDBOR with WeldTec ship auger bits are made storager and last longer because a harder cutting edge is welded to the base material


  • Brand: Irwin
  • Product Line: Speedbor
  • Number of Flutes: 1
  • Flute Length: 12 in
  • Shank Type: Hexagonal
  • Material: Carbon Steel
  • Flute Type: Wide
  • Shank Size: 0.4375 in
  • Diameter: 0.5 in
  • Overall Length: 17 in