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  1. #31
    Elite Member
    Join Date
    Dec 2000
    Southern VT, Southern ME
    John Deere 4100 HST /410 FEL, R4s

    Default Re: Shear pin?

    Hey guys,

    Check this one out. The attachment shows the grade and manufacture mark of this bolt that came on my Worksaver Backblade from CT. It sheared while out plowing snow. This one is clearly marked 307A, the ASTM grading for a low carbon steel bolt and according to the register the O F mark identifies the manufacturer as

    Oriental Fastener Industry Co.,Ltd
    299 Yu-Lin Road
    Chiao-Tou Village
    Kaohsiung Hsien Taiwan R.O.C. [img]/w3tcompact/icons/smile.gif[/img]


    Attached Thumbnails Attached Thumbnails Shear pin?-5-39641-headmarks-jpg  

  2. #32
    Gold Member
    Join Date
    Nov 2000
    Fremont, New Hampshire

    Default Re: Shear pin?


    The same exact bolt is used by telecommunication installers
    when hanging overhead iron work to hold cables.[img]/w3tcompact/icons/shocked.gif[/img]
    How many do you want?[img]/w3tcompact/icons/smile.gif[/img]
    I always thought that the marks were unique to the trade!

    Learn something new everyday!

    We're all in this together! (3)
    Executive Yuppie Tractor Owner
    <font color=orange>[Advertise your business here]</font color=orange>

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