smart51
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| posted on 24/6/05 at 09:15 PM |
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tapped holes
I have just tapped 2 M8 holes into the 4mm steel plate on my chassis to mount my steering column. Will Mr. SVA like this or do I have to put a nut on
each bolt as well?
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flak monkey
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| posted on 24/6/05 at 09:18 PM |
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4mm isnt very thick. I would put a nut on it as well!  You only have about 2 or 3 threads in that thickness of plate.
David
Sera
http://www.motosera.com
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Hellfire
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| posted on 24/6/05 at 09:50 PM |
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I'd nut it too - as a general rule of thumb "to obtain the maximum effectiveness of an ISO thread you need the depth equivalent to
it's nominal size. i.e. if it's 8mm thread you need 8mm of depth. That's why standard nuts are the depth they are.
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paulf
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| posted on 24/6/05 at 09:52 PM |
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A good rule of thumb is to allow at least the diameter of the thread for the nut thickness, I would drill the plate clearance and fit nylocs on the
back.
Paul
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Peteff
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| posted on 24/6/05 at 09:58 PM |
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Which column are you using? My Sierra column is held on with M12s. M8 would fall through the holes without a big washer.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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clbarclay
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| posted on 25/6/05 at 03:07 PM |
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The nuts/set screws on a standard sierra for mounting the column are M10 with very big washers.
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