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#8653- Step Drill Bit

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Step drill bit is used to drill the proper size holes in screen frame for plunger latches, all in a single operation. The two-step high speed steel drill bit has a 7/32″ (5.6 mm) shank which “steps” down to 1/8″ (3.2 mm).

  • Drills proper size holes for plunger latches in a single operation
  • For quick installation of screen frame plunger latches
  • 7/32″ to 1/8″ (5.5 to 3.2 mm)


Used for the installation of #653 plastic plunger and #953 aluminum plunger


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