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Irwin 7/16" x 18" Installer Bit

Brand: Irwin Mfg#: 39107ZR
Product#: 17339107ZR
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WARNING: Cancer and Reproductive Harm -  www.P65Warnings.ca.gov.

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Irwin Power Drill Installer Bit, 0.4375 in Diameter, 18 in Overall Length, 0.37 in Shank, Cylinder Shank, 82 deg Point, Clockwise Cutting Direction, Solid Structure, Alloy Steel, For Telephones, Cable, TV


  • Ideal for installation of small wire for telephones, cable, TV, computers, and security systems
  • Constructed of premium alloy steel for boring into a variety of materials including wood, plaster, and metal lath
  • Wire hole at the tip of the bit makes it easy to pull wire through walls, ceilings, and floors


  • Brand: Irwin
  • Overall Length: 18 in
  • Point Angle: 82 deg
  • Shank Size: .37 in
  • Shank Type: Cylinder
  • Cutting Direction: Clockwise
  • Diameter: .4375 in
  • Structure: Solid
  • Prop65: WARNING: Cancer and Reproductive Harm -
  • Usage: For Telephones, Cable, TV, Computers and Security Systems