[Jewelry making - Article 00317] - Re: [Orchid] Mokume Torque Plates

[James Binnion]

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>         Purchase Grade 5 ( 3 dashes on the bolt head and nut head )
>     Purchase washers for the nut side . Purchase Never Seize which is a
>     copper or gray colored 

    Snip 

>         These bolts are also available in a grade 8 ( 6 dashes on the
>     bolt and nut heads if needed). They are a little more expensive and
>     may not be necessary. 

    Grade 8 bolts are a waste of money. Grade 5 do. As soon as you have
    heated the torque plates/bolts over about 700 degrees F there will
    be absolutely no difference between the grade 5 and grade 8 as the
    grade 8 is basically a heat treated grade 5 and you will have
    tempered it to the point that it is now no harder than the grade 5. 
    Washers are not really necessary if you will just put a bit of the
    anti seize between the nut and the  torque plate  it will provide
    the effect of reducing the friction between the nut and torque plate
    and the plate itself acts to spread the force. These bolts are
    thrown away after one use. They will stretch so much that the
    threads will no longer allow the nut to run freely and they are too
    cheap to risk ruining your long labor of preparing your billet for a
    couple of dollars worth of bolts. -- Jim Binnion 

James Binnion Metal Arts
Phone (360) 756-6550
Toll Free (877) 408 7287
Fax (360) 756-2160
http://www.mokume-gane.com
jbin AT mokume-gane.com
Member of the Better Business Bureau

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