Cummins Marine Diesel Repower Specialists › community › Boats & Repowers › Tiller/hydraulic Ram bolt – 316 SS, Bumax88 SS or grade 8 steel?

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  • September 19, 2024 at 9:35 am #168386

    Steve Hutchison
    Participant
    Vessel Name: Otis
    Engines: Single 6bta 370 zf63a
    Location: Maryland
    Country: USA

    Hello all – would you give me advice on the correct bolt material to attach the hydraulic ram to the tiller?  I assume it needs to have high shear strength so I thought Bumax 88 stainless steel or a grade 8 steel bolt should be used.

    hole size for tiller and Ram ball insert: 3/8″

    thank you,

    Steve

     

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  • September 20, 2024 at 4:48 am #168409

    Steve Hutchison
    Participant
    Vessel Name: Otis
    Engines: Single 6bta 370 zf63a
    Location: Maryland
    Country: USA

    will do.   thanks Tony!

    September 19, 2024 at 5:50 pm #168405

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Use GRADE 8 ( bolt & nut) , lots of grease on all including all threads & the inserts- about 35 Ft lbs

     

    Seaboard Founder

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