you can get 12.9 grade that's been zinc passivated, but for radius arms etc use the correct bolts, a bit of copperslip will stop em rusting to the bush sleeves
ive used zinc passivated on my swivels, drive shafts etc etc to give em a fighting chance ...
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cheers steve
,i also fill the hex heads with silicone grease so they stay clean.
why normal heads are much better cap heads are only useful in restricted areasim all for hex heads,good work.how do the nylock nut do with clearance on full lock againsed the swivel ball seals.?
i heave been fitting as much stainless hex head as i can,i also fill the hex heads with silicone grease so they stay clean.
lr bolts are different grades depending on job they do 8.8 or 10.9 or 12.9 ie drive member bolts are 10.9 as std