Hole saw arbor
The quick-change arbor is universally compatible with any brand of hole saw, and can work with recessed light and carbide grit hole saw products. One arbor is required for sizes 0.875 in. to 6 in. For hole saws above 2.5 in., the manufacturer recommends the use of a 0.44 shank, which is available in 0.375-in. chuck and 0.5-in. heavy-duty chuck sizes.
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