5547 XTRM HOLE ENLARGER ARBOR

5547 XTRM HOLE ENLARGER ARBOR

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Descriptions

Hole Enlargement Arbor is for enlarging an existing hole or one you just drilled, offering a second chance at drilling a hole to the size needed. The smaller hole saw becomes the pilot for the larger hole saw. Minimum hole enlargement is 3/16″ between the diameter of the pilot saw and that of the cutting saw. The arbor’s 1/4″ shank replaces the pilot bit for most hole saw mandrels and accepts both 1/2″ and 5/8″ threaded cutters. The arbor’s two flat sides for a 5/8″ wrench prevent the wrench from slipping. This tool is handy when you need to increase pipe opening holes or retrofit an old door with a new lock.

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