Undertray Bolts
#1
Posted 17 May 2019 - 07:28 PM
#2
Posted 18 May 2019 - 05:18 AM
#3
Posted 18 May 2019 - 06:54 AM
Hi - I agree with UKCAT. I have the speedy fasteners and they came ready fitted with plastic washers - it does make them quite stiff to fasten though due to the thickness.
#4
Posted 18 May 2019 - 07:05 AM
I also use the white nylon washers between the stainless penny washers and undertrays, plus I put some copper grease on the threads
#5
Posted 18 May 2019 - 08:32 AM
#6
Posted 18 May 2019 - 08:41 AM
This is assuming stainless ones arn't available which i dont think are
#7
Posted 18 May 2019 - 08:50 AM
#8
Posted 18 May 2019 - 08:56 AM
Thanks a lot for everyone’s help I’ll get them ordered now then and use some nylon washers as suggested, does the act-50/copper grease last as long as they are in or do I need to top it up every so often to stop them seizing? Thanks again for your help
the best bet is to use corrosion block grease as it is thicker than acf but again its all relvant to how the vehicle is used. im sure a dry only vehicle would be fine without any grease etc. its water and salt which greatly increase the rate of corrosion
#9
Posted 18 May 2019 - 09:13 AM
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