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Unibits from Reeve Air Motive
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Tools with multiple applications are a must for pilots and A&Ps with crowded toolboxes and busy shops. Irwin step drill bits fill that need, drilling up to 13 different diameters with a single bit. Unibits are built with a hex shank to prevent slipping in the drill chuck and a single-flute cutting edge that gives greater control while powering through each of the size steps.

Particularly useful for drilling thin materials like aluminum, plastics, laminates, and stainless steel. 1/8" maximum material thickness for available bits:
  • Unibit #1 - 13 steps
  • Unibit #3 - 9 steps
  • Unibit #20 - 8 steps

Item# Item Name PRICE Quantity Add
UNIBIT-1 Unibit 1/8" - 1/2"
UNIBIT-3 Unibit 1/4" - 3/4"
UNIBIT-20 Unibit 9/16" - 1"
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