Replacement Defender Rivets

**isuzu110** · 19th February 2007, 03:21 PM

Ok, so my old County and newer Defender have some rivets missing from the bodywork. Thinking about replacing them.

What's special about them ? What do I ask for when I go to the nut and bolt barn ?

Thanks

**Frenchie** · 19th February 2007, 03:48 PM

Just make sure you get aluminium ones I suppose, that way you won't get any corrosion.

**p38arover** · 19th February 2007, 04:16 PM

Or monel metal? Do they need to be blind rivets so that they don't leak?

Ron

**dmdigital** · 19th February 2007, 04:32 PM

Originally Posted by p38arover

Or monel metal? Do they need to be blind rivets so that they don't leak?

Ron

Yes, they are supposed to be blind rivets. Size is (I think) 6-4 someone please correct me if that's wrong

**JDNSW** · 19th February 2007, 07:09 PM

Originally Posted by p38arover

Or monel metal? Do they need to be blind rivets so that they don't leak?

Ron

Don't use monel on aluminium - it will cause electrolytic corrosion. I am reminded of a J class yacht built at great expense in about 1910 with monel frames and aluminium cladding - lasted less than nine months before falling to pieces. Use aluminium rivets.

They need to be sealed rivets if they are in a place where leaks matter - but in many cases they don't matter.

**justinc** · 19th February 2007, 07:24 PM

I think 6-4 is right, I'll have a look on the box tomorrow. I have been replacing a few lately, especially behind the rear doors....and yes, definately aluminium, but not necessarily blind for body work.

JC

**Dave110** · 19th February 2007, 07:58 PM

'Pop' brand distributed by Huck Australia AD68 aluminium closed rivet with steel mandrel, exactly the same as LR part 78248. 11.5mm long, 4.8 mm Dia. max grip 6.4mm, number 11 drill bit about $36 for 500 and not $1.10 each that the stealers charge

**justinc** · 19th February 2007, 08:00 PM

By the looks of your Avatar Dave110, it looks like YOU'D know ALL about rivet specs!!! Looks nasty.

JC

**Stepho_62** · 19th February 2007, 08:07 PM

Rivets in LandRovers are no different to fasteners in any other metals. You should always try to use like for like.

One of the things you learn real quick owning a steel boat is about electrolysis. 318 stainless steel fasteners in mild steel plate for argument sake without any type of protection (either coating or cathodic) results in very rapid corrosion developing in the mild steel.

Lanolin is used extensively in the marine environment as a protective coating. If you dip the rivet into Lanolin prior to setting it it will not corrode for years even without priming and painting.

**JDNSW** · 19th February 2007, 08:14 PM

Originally Posted by Stevo_62

......... If you dip the rivet into Lanolin prior to setting it it will not corrode for years even without priming and painting.

But you'd better get ALL the lanolin off if you are planning to paint it!

John

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