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SV650rules · 14-11-20, 01:34 PM

The across corners dimension of a 8mm hexagon ( 10mm bolt ) is about 9.25mm so if the head is reduced to 13mm diameter you will be left with just under 2mm of metal left between each corner of hexagon and OD of head. Should be OK as only holding mirror so no need to tighten it too much. Normal OD of a standard 10mm Allen bolt head is 16mm.

If you got some 10mm ID tube x 1.5mm wall you could make a couple of spacers and use a normal ( longer ) M10 bolt, maybe not so pretty though.

14-11-20, 01:34 PM	#7
SV650rules Member Mega Poster Join Date: Nov 2016 Location: Shropshire UK Posts: 1,363	Re: Bolts The across corners dimension of a 8mm hexagon ( 10mm bolt ) is about 9.25mm so if the head is reduced to 13mm diameter you will be left with just under 2mm of metal left between each corner of hexagon and OD of head. Should be OK as only holding mirror so no need to tighten it too much. Normal OD of a standard 10mm Allen bolt head is 16mm. If you got some 10mm ID tube x 1.5mm wall you could make a couple of spacers and use a normal ( longer ) M10 bolt, maybe not so pretty though. __________________ 2016 SV650 AL7 Courage is resistance to fear, mastery of fear, not absence of fear - Mark Twain Last edited by SV650rules; 14-11-20 at 01:38 PM.