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3/16 bsw screws

Looking to source affordable screws

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Mark Whelan27/02/2019 20:59:55
11 forum posts

Hey all,

I'm after shearing off two screws in the tailstock of my myford m type, which I think are 3/16 24 bsw

I've drilled them out and now I need to replace them.

There's a few sellers on eBay but the want between 10-20 pounds shipping to Ireland for 5 screws!

Anyone recommend somewhere more reasonable?

Speedy Builder527/02/2019 21:18:26
1740 forum posts
118 photos

Why not have a go at making them. You would feel great when you have done them. Not too difficult. Bobh

Barrie Lever27/02/2019 21:35:42
198 forum posts
38 photos


10/24 UNC will screw straight in, just the thread angle is different 55 degrees for Whit 60 degrees for UNC.

Unfortunately I have to admit to doing this many times in the middle of the night in maintainance work when my back was to the wall !!



peak427/02/2019 21:46:27
739 forum posts
65 photos

I can do you 1/2" and 3/4" mild steel roundheads (I think, I'll have to check up)
If they will fit, PM me your address


JohnF27/02/2019 23:12:25
805 forum posts
88 photos

Mark, they may well be 2BA but look at your PM's


Hopper27/02/2019 23:28:04
3587 forum posts
72 photos

I buy BSW screws, nuts and bolts from my local hardware store. Although Australia went metric 40 years ago, the building trade still seems to use the old imperial stuff for some reason. They are just labelled as 1/4" x 1" screw etc. No idea about Ireland though!

duncan webster28/02/2019 10:04:56
2066 forum posts
30 photos

3/16 bsf is nearly the same as 2BA, but 3/16 bsw is much coarser.

If you are sure you want bsw then try the trusty e-bay


vintage engineer28/02/2019 10:07:18
123 forum posts

Meccano screws.

Adam Mara28/02/2019 10:43:51
66 forum posts
4 photos

Loads of BSW machine screws at work, at least 25 years old ex B&Q! PM me if don't have any luck, I will be going into work on Monday to collect the rent, and can pinch a few and post them to you!

Georgineer28/02/2019 11:50:49
237 forum posts
13 photos
Posted by vintage engineer on 28/02/2019 10:07:18:

Meccano screws.

That won't work. Meccano screws are 5/32" BSW.


Andrew Johnston28/02/2019 12:30:19
4629 forum posts
522 photos

I don't know what thread Myford used, but 3/16" BSW would be a poor choice. It's a small diameter rather coarse pitch thread, with the result that the slightest overtightening fractures the core. Been there, done that!


Mark Whelan28/02/2019 13:22:35
11 forum posts

Hi Guys,

Thanks for all the tips and for the PM's offering to help. The 10-24 is probably easiest to try first, as I should have some lying around in work, if that doesn't work I'll try the next few options. I'll also try to remember to report back with some news hopefully.


Howard Lewis28/02/2019 15:47:23
1917 forum posts
2 photos

These sound like the screws retaining the plates for the Handwheel. On a ML2 or ML4 they are likely to be 3/16 BSW (or maybe 3/16 BSF ? ) roundhead.

Take up the kind offer already made a few posts ago; You only need two!


Zane Crowther17/04/2019 16:01:36
10 forum posts

I've got single machine screws from Accu before, so they might be worth a try.

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