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Reply to "Ring bolt ? again."

Hi Peter -

I have my old one in my hand. I assumed someone had official specifications.

The bolts (the kind that fail) are marked "U 106" on the top of the head.

The bolts are:

M10 x 1.0
Shank Length is 21 mm (probably really 20 mm)
Head size is 15 mm (Socket Size)

The bolts have fluting on the bottom of the cap dig into the ring gear carrier. I can't recall if my new bolts did. I think I recall Bosswrench saying the fluting was ineffective against the hardened steel carrier.

Hope this helps you.

Rocky

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Last edited by rocky
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