I think it must depend on both the alloy, and the bolt.
my multi had different wheel bolts kept in the case for the locking nut key for the steel space saver, as apposed to the ones for the alloys.
BUT
my 406 has the same nuts for both the alloys, and the steel spare. however it does state in the manual that it uses a secondary seating on the stud, and will look like its not fully tightened when used on the steel spare
I just checked my spare wheel and its a steel. i have alloys on caravan, i have phoned the dealer who is at moment checking this out. should i just go buy some wheel nuts that will suit.
thanks.
That's what I ended up with Sparky. We got our van back after it was nicked, we had it converted to take the Al-Ko lock which meant having Aluminium wheels fitted.
The new wheels needed different studs & I kept the old ones to go with the steel spare just in case.
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Went to check the van in storage today and found it had a flat! put my spare on, a steel one, never thought about different studs thanks for the warning will get a set of steel wheel studs when I pick up my wheel from the dealer.
We have 2 cars with alloy wheels & steel space saver spares - separate bolts were supplied for the steel rims. Needed new caravan tyres this year so bought 2 new caravan alloys on ebay £49 with bolts then bought a new alloy with tyre, again on ebay, £15 + £25 postage so need just 1 set of bolts. Yes it was just a styling exercise but there is a weight saving of 2kg per wheel over the steels- 14" rims..
This problem has been known for a while, in May 2006 I purchased a new Senator Indana, friends in the CC had bought a Lunar, which had come with alternative bolts for the spare. When I questioned the dealer (same for both) I was advised that Bailey only needed 1 type while Lunar and others needed 2. I checked this with the Bailey technical line, they confirmed.
For the ones asking if alloy wheels are lighter the answer is no. They are pretty and less durable and more expensive. Having spent most of my working life in the aluminium casting industry (technical bod) I would always prefer steel wheels.