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Combo Drill Bit for 1/4-20 Anchor Set Screws

1.00 LBS
Combo Drill Bit for hurricane anchors
  • Use to drill perfect holes for 1/4-20 Machine Screw Anchors in either concrete or CBS
  • Smaller pilot bit starts the hole in the correct location then the larger 1/2" bit drill the perfect sized hole for the anchors
  • Large diameter drill bit is 2-1/2" in Length - Overall drill bit is 3-1/2"
  • Includes adjustable collar and hex allen wrench allowing you to set the depth of the hole