Flap Disc 577F, 7" x 5/8"-11, Type 27, 40 Grit, Zirconia Alumina

Marsoni

M251S

$32.02

Get it in 3 business days with 1 day shipping. Friday, May 29

Flap Disc 577F, 7" x 5/8"-11, Type 27, 40 Grit, Zirconia AluminaAlumina zirconia mineral with a grinding aid provides more cutting power than aluminum oxide across all metal types Flaps combine grinding and blending into one step for time savings Heavyweight polyester backed flaps provide longer life on high pressure applications such as sharp edge work and beveling Quick change disc simplifies disc changes Specifications Grit 40 Diameter 7" Arbor Size 5 8" 11 Abrasive Material Zirconia Alumina Type 27 Country Of

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This tool kit made servicing the gimbal bearing and checking engine alignment much easier than improvising with generic tools. The machining looks solid and the tools fit properly with MerCruiser components. Helpful set for anyone doing their own marine maintenance work. Definitely useful to have around for sterndrive service jobs.

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Reviewed in the United States on May 15, 2026

Jo Bo

Charlottesville, US

★★★★★ 5

Saves So Much Time, Perfect Fit On Mercruiser Pre-Alpha Outdrive.

This is a very useful kit. Perfect fit to exchange and align the gimbal bearing on a Mercruiser MR/Pre-Alpha Outdrive. The metal rods are strong and well machined to fit the gimbal bearing and the template lines up great with the housing studs. The overall production quality is very good. Great value because the tools are very durable but for me the biggest value is the time saved. I had the bearing out in about 10 minutes. The ability to line up the bearing before attempting to attach the outdrive upper gear unit is very convenient and saves so much time. This are simple tools, very easy to use.

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Reviewed in the United States on May 1, 2026