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Irwin

Power Drill I-100 Auger Bits

Model: TH786

Mfr. Model No.: 49905

Colour, sizing or style depicted in some photos may not be exactly as described.
Please check your product description carefully before placing your order.

Sold as: Each

  • Diameter: 5/16"
  • Shank Size: 7/32" hex
  • Twist Length: 4.5"
  • Overall Length: 7.5"
  • Solid centre design provides extra rigidity while boring
  • The flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut
  • Single-spur cutting edge scribes the circumference of the hole for a smoother finish
  • Full-length heat treated bit guards against bending in heavy-duty applications and streng thens the twist where the greatest strain occurs
  • Coarse screw point provides fast boring in hard and soft woods