lancer425 Posted July 14, 2018 Report Share Posted July 14, 2018 I want to bolt aloy side plates to a mild steel motorbike rear mudguard, rubber gasket and both contact faces painted will stop Galvanic Oxidation but what about bolts/ rivets? I thought some kind of stepped plastic washer with the step inside an oversised hole but no idea where to get such things, and any idea what bolt material would not attack the aloy as much. I thought titanium but for the coat, any other ideas please. I could use mild steel but wanted the thicker aloy without the equivalent in steels weight. Quote Link to comment Share on other sites More sharing options...
john deere Posted July 14, 2018 Report Share Posted July 14, 2018 Try using stainless steel bolts. Quote Link to comment Share on other sites More sharing options...
ditchman Posted July 14, 2018 Report Share Posted July 14, 2018 9 minutes ago, john deere said: Try using stainless steel bolts. beat me to it... Quote Link to comment Share on other sites More sharing options...
lancer425 Posted July 14, 2018 Author Report Share Posted July 14, 2018 OK cheers ill try that i want to try and stop the problem before it starts. Quote Link to comment Share on other sites More sharing options...
rovercoupe Posted July 14, 2018 Report Share Posted July 14, 2018 Get decent quality ones as some of the chinese ones are absolute rubbish and will rust in no time! Quote Link to comment Share on other sites More sharing options...
Cannon Posted July 14, 2018 Report Share Posted July 14, 2018 Or just use plastic coated rivets Quote Link to comment Share on other sites More sharing options...
Saltings Posted July 15, 2018 Report Share Posted July 15, 2018 have a look at land rover forums if memory serves fibre washers were used between steel and alley to stop oxidation Quote Link to comment Share on other sites More sharing options...
spandit Posted July 15, 2018 Report Share Posted July 15, 2018 53 minutes ago, Saltings said: have a look at land rover forums if memory serves fibre washers were used between steel and alley to stop oxidation Ah, that's why Land Rovers don't corrode then Quote Link to comment Share on other sites More sharing options...
Jaymo Posted July 15, 2018 Report Share Posted July 15, 2018 Or rubber ‘rivnuts’ that are used to secure motorbike screens - that would give you total isolation! Quote Link to comment Share on other sites More sharing options...
amateur Posted July 15, 2018 Report Share Posted July 15, 2018 Stainless nuts and bolts without any plastic insulation will work fine and they are a higher tensile strength than the equivalent size mild steel fastener. You would need to be running it through the depths of winter on salty roads to get any serious corrosion. Quote Link to comment Share on other sites More sharing options...
ditchman Posted July 15, 2018 Report Share Posted July 15, 2018 3 hours ago, amateur said: Stainless nuts and bolts without any plastic insulation will work fine and they are a higher tensile strength than the equivalent size mild steel fastener. You would need to be running it through the depths of winter on salty roads to get any serious corrosion. im no lecky...........would it be worth soldering a copper wire from the tub to the chassis......? Quote Link to comment Share on other sites More sharing options...
bruno22rf Posted July 16, 2018 Report Share Posted July 16, 2018 Not correct at all spandit, my RR is 14 yo and is almost immaculate - most likely due to the Oil leaking from the engine being constantly sprayed over the paintwork. Quote Link to comment Share on other sites More sharing options...
Guest Posted July 16, 2018 Report Share Posted July 16, 2018 Plastic number plate bolts Quote Link to comment Share on other sites More sharing options...
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