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Discussion Starter #1
Hi all,
anyone knows what is the bolts size for the hitch fixation ???
thanks

i am not sure if thats metric or english treads

gervais
 

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2015 Sienna / 2018 RAV4
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You will most likely need to chase the threads with a tap and a lot of cutting oil. Go gently, as those threads have to hold your hardware tight, and after 15 years are likely damaged by corrosion.
 

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Discussion Starter #4
well
thanks for your informations,
12mm is about 3/8
1.25mm is fine tread
40 mm is about 1.25,,,1.5 inch

would you know the "grade" of the bolt?

i am used at using Grade 5 bolt ,,,in my standard


thanks for your help

gervais.
 

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Discussion Starter #6
humm yes grade 8 should be a minimum,
i am not sure i will found these around,i am living in a rural zone where there is not much
specialized stores,,
thanks anyway ,

gervais
 

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We installed our hitch at the 15 year mark and yeah, all bolt holes were rusted and needed tapping due to corrosion. Good luck.
Greg
 
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