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Wrench size

Hi, what is the right size socket for the headbolts ?
Cheers
John

email (option): john.kater@chello.nl

Re: Wrench size

5/16 Whitworth on mine.

Re: Wrench size

Nathan, you've done it again!
Stop being a smart arse with you're passive aggressive comments. Get over yourself.
I agree a list of sizes would be useful but please word your comments in a more friendly manner.
I have just come back to reading the forum having been busy doing another military project vehicle a Land Rover Lightweight.
I can tell you I was surprised by the arguments.
I have found Ian's input and that of other members invaluable and fascinating.
I do not always agree but enjoy the banter.
I have a lot of respect for these people especially as they don't have to share their knowledge.
I would have struggled even more in my rebuild of my 1942 M20 without them.
This is a great forum headed by Henk, let's all play nicely!
Jon Sewell.

email (option): jonsewell8@hotmail.co.

Re: Wrench size

Ian has actually put quite a lot of info on the "Technical" page. Including M20 thread sizes:-

http://www.wdbsa.nl/Threads.htm

and generic spanner sizes:-

http://www.wdbsa.nl/spanner%20sizes.htm

Bob is right, the head bolt spanner is 5/16 Whit. There should be no need to use either metric or AF spanners on an M20. You need only Whit/BSF spanners.

Of course someone will probably pick me up on the spark plug and speedo head nuts:stuck_out_tongue_closed_eyes: Ron

email (option): ronpier@talk21.com

Re: Wrench size

Thanks all, socket 5/8" was the one I should use, but had too much play. So I bought a socket 19/32" no good either,
No luck with 16 mm, I now look for 5/16 withworth 🤔
Cheers
John

email (option): john.kater@chello.nl

Re: Wrench size

Plenty of Whit sockets on ebay. But I prefer and have a set of long series hex 3/8 Drive Britool sockets. Similar to these. The hex sockets as opposed to the 12 point sockets will often undo a rounded off nut and less likely to bur the corners. Ron

https://www.ebay.co.uk/itm/Long-Sockets-Set-Whitworth-X4/164215623697?hash=item263c039011:g:JTQAAOSwFAteoXJ2

email (option): ronpier@talk21.com

Re: Wrench size

Thanks for the info Ron. Was Just looking on the internet. I use a 1/2" adapter and as you say use a six sided socket.
John

email (option): john.kater@chello.nl

Re: Wrench size

I doesn't matter what size (1/2") ratchet you have John. You can get 1/4-3/8-1/2-3/4 reducers and increasers to cover every eventuality.

I've got Whit, AF and Metric to cope with most mechanical operations that I deal with. Which include a few specials that I've only used once or twice sometimes. :relaxed: Ron
DSCF2886



email (option): ronpier@talk21.com

Re: Wrench size

Plastic handled screwdrivers ? Where's the pleasure in that ? 'Perfect' and 'Cabinet' pattern for me with the odd 'London' pattern if I'm worried it'll roll off the bench.

My 3/8" King Dick sockets are all twelve point and have never marked anything. There is a world of difference between dismantling a rusty wreck and routine maintenance on a properly assembled motorcycle.

Decent dull chrome will survive 25 lbs/ft applied through a 12-point socket and it seems to me that most cheap sockets are 6-point. My feeling is that the quality is more important than the pattern.



Re: Wrench size

Yes, all my ring spanners are 12 point and most of my sockets and also never have problems of marking a nut or bolt. .... But no use on rounded off bolts off course.

All quality German Stahlwille though but that was what I could find here on the jumbles in the correct Withworth size. Think the Dutch army used Stahlwille and a lot ended up on the jumbles..

Re: Wrench size

Hi, Ron I see that some of your sockets are coated red inside. Is this a trick that I've been missing out on, or just the result of using a socket to prop up a part while priming? All the best, Glenn.

email (option): Glenn.mullan@postmaster.co.uk

Re: Wrench size

Ha Ha Glenn. Those sockets go back to my Motor Mechanic days in the 60's when I painted the inside of my Whitworth sockets for easy ID.:+1: Ron

email (option): ronpier@talk21.com

Re: Wrench size

All is well that ends well. Just bought the right socket on eBay. 😀

John 👍

email (option): john.kater@chello.nl

Re: Wrench size

Ron Pier
Ha Ha Glenn. Those sockets go back to my Motor Mechanic days in the 60's when I painted the inside of my Whitworth sockets for easy ID.:+1: Ron
lol, very good Ron! and there was me thinking that maybe there was a new coating out there that was supper grippy on damaged nuts and didn't mark new cadmium! Beats grinding or welding your initials into everything! ...Glenn

email (option): glenn_mullan@postmaster.co.uk

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