Greenlee 37156 Hole Saw Arbor, 7/16-Inch Hex Shank for 1-1/4-Inch to 6-Inch Hole Saws Other Tools Geared rotary barrel pump turns

Geared rotary barrel pump turns rotor 3 times for each turn of the handle

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fit female threads on the regulator

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Greenlee 37156 Hole Saw Arbor, 7/16-Inch Hex Shank for 1-1/4-Inch to 6-Inch Hole Saws Other Tools Geared rotary barrel pump turnsThe best arbor in the industry ensures a solid connection without any gaps or wobbling. Arbors include replaceable high speed pilot drill. Pilot drills have unique split point tip design. Use with Greenlee bimetal hole saws, recessed light hole saws, and carbide grit hole saws (carbide tipped pilot drill sold separately). Can be used with Greenlee 901, 902 and 904 bit extensions. From the Manufacturer The best arbor in the industry ensures a solid