Stepped Arbor

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Used to widening existing holes, when replacing things like Air Buttons & Spa Jets. The smaller hole saw acts as the pilot by following the existing hole, while the larger saw cuts the new hole.

Compatible with the hole saws and mandrels, it has a 1/4" diameter shank, and its stepped mandrel is threaded to accept saws with 1/2" and 5/8" standard diameter mounting holes.

Applicable for Hole Saws 14-250mm

Will require suitable hole saws to fit existing hole, and for new hole

Bottom image shown for illustration purpose only.