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Bolt Specs
Can someone help me understand the bolt, nut and washer descriptions
in the Audi fiche's. Here are a couple of examples:-
Designation Remarks
Bolt, hex, HD M12x1 5x35
Bolt, with hex, socket HD M10x1, 25x20
Washer R10 5x21x2
I understand the Mxx is the metric size and the number following this
is the thread pitch. How about the "HD" is this equivalent to the
strength HD=10.9? How about the 5x35 is this the length of the
threading on the bolt?
Thanks and regards, Mike