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What is the right size bolt..

Started by Laszlo, June 08, 2021, 09:22:11 PM

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Laszlo

.... for a boot emblem  ?
In the bolt and nut shop they tried to tell me I need a 12/24. Wasn't the right one. I did try a metric 4, not too bad but not perfect. A little bit loose.  Maybe just the age of the emblem and a rechroming.....

Thanks : Laszlo

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Holden = The Heartbeat of Australia

Stewy

Parts book says :  SCREW round head. cross recess No. 10-24 x 1/2" with lock washer x2

Cheers Stewy   8)
No matter how much you push the envelope, It'll still be stationery

Laszlo

Thanks Stewy !

That was quick.

Laszlo
Holden = The Heartbeat of Australia

my8thholden

check to see if somewhere in its life the thread hasn't been damaged or brutalised to make something fit ,or clogged with chrome ,carefully use a 24TPI tap to clean up...cheers Vern                                                 
these days i'm half as good for twice as long

Laszlo

Thanks Vern I will try that way.
I started to change all the bolts ,screws and nuts for stainless steel one. So if someone  has to take the Fe a part 60 years time no rusty surprises..... : )

Cheers  : Laszlo
Holden = The Heartbeat of Australia

ardiesse

Laszlo,

3/16" Whitworth is also 24 TPI.  OK, so the thread profile's slightly different, but it will substitute for 10-24 UNC no problem.

Rob
Remember: if your Holden's not leaking oil, it doesn't have any.

Laszlo

Thanks Rob !
I did find some 10-24UNC stainless steel 304 or the good stuff 316 at Anzor

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Holden = The Heartbeat of Australia