Nutserts/Rivnuts without the tool. (pics)

**Blknight.aus** · 17th November 2008, 09:50 PM

Ok heres how its done with pics and all...

assuming that youve got the nutsert and the hole drilled out.....

your going to need a longer bolt than the one your planning on using, a nut to suit, a couple of washers, a pair of spanners and some grease

set the nut and bolt up like this with the washers after coating the washers, the nut and the top of the rivnut with grease (I used a silicone based spray lube for the pics for clarity and ease of clean up)

wind on the nutsert/rivnut

insert in the hole

put your spanners on like this

then balance the bolt with your thumb maintaining a downwards pressure to keep the rivnut seated

( I took the spanners off for clarity)

thusly while you anchor the top spanner which is holding the bolt and then turn the lower spanner on the nut in the normal direction of tightening.

the pressure you apply with your thumb stops the rivnut from turning under the washers when you tighten the nut down and the nut pulling on the threads of the bolt causes the rivnut to collapse.

It does help if you undersize the hole by .2 mm or so so that the rivnut is a press/hammer in fit, to achive that after you assemble the rivnut onto the bolt and seat the washers+nut to the face of the rivnut place it in the hole and hammer it home then continue as illustrated.

Done, takes about a minute a rivnut.

**dmdigital** · 17th November 2008, 10:09 PM

Dave, where was this post when I had to google how to do it. Spot on, just what I've done.

One thing I'd add is use a descent bolt and nut. I was stuck with only being able to get hold of some Zenith M8 bolts and nuts from a blister pack in Mitre 10 and I found they lasted about 3 rivnuts and the thread was getting worn so I'd swap to a new pairing.

**Blknight.aus** · 17th November 2008, 10:44 PM

having the luxury of being in an aircraft whacker workshop the only thing of dubious quality is some of the workers.....

12.9 bolts are the go, dont lube the threads of the bolt where the rivnut will be gripping

**RobHay** · 17th November 2008, 11:03 PM

Okay you have my attention........what happens after that?
Do you insert a bolt? or does the rivnut /Nutsert hold the sections together like a rivet?

**Blknight.aus** · 17th November 2008, 11:10 PM

nope, unwind the nut up the bolt away from the riv nut and then take the bolt out.....

you then wind up with what is essentially a nut on the inaccessable side of a sheet of metal...

Ive put the head unit up in fozzy with them, which reminds me I need to take more pics of him.

**Redback** · 18th November 2008, 07:22 AM

Originally Posted by RobHay

Okay you have my attention........what happens after that?

Just what i was thinking, but i read it again and i'm assuming Dave is just showing us how to do it if we ever need to know how and we haven't got the special tool that does this job, am i right Dave??

Baz.

**dmdigital** · 18th November 2008, 04:47 PM

Correct, you can either spend $150 on proper a Rivnut tool or $1.50 on a nut, bolt and a couple of washers.

Dave, might help if you can post some pics up of the other side of the panel once the rivnut's all tightened up.

**Blknight.aus** · 18th November 2008, 08:11 PM

I am not pulling a bloody IMV apart to show you what a rivnut looks like...

Ive got to pull the headboardout of fozzy to fix the dimmer, I'll take pics then.

**dmdigital** · 18th November 2008, 08:22 PM

Originally Posted by Blknight.aus

I am not pulling a bloody IMV apart to show you what a rivnut looks like...

Fair enough...

I'd do it myself but every one of the 12 rivnuts I've put into the Defender so far aren't visible without removing the front guards.

Once I had done a few I found it a very straight forward process. Just have to be slow and careful. First two I did (putting the Mantec Snorkel on) were a little scary as I had nothing to trial with.

**harry** · 18th November 2008, 08:32 PM

thanks dave,
i often use rivnuts, being in the game, and have just recently got some nutserts to fit - stupid me has the tool to do 5/16 unc, but not 8 mm or whatever looks like 5/16, that i bought, shoulda stuck with aircraft stuff, every time i go cheap it bites me, so i will be doing it the no tools way.

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