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BSW Fasteners

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Peter Ellis 523/05/2021 16:35:47
49 forum posts
9 photos

I need three 1/4" Csk x 1", ideally skt hd, to fix a backplate to a Burnerd chuck. Imperial is difficult in this neck of the woods. When I went onto Spaldings, they wanted four quid + per bolt !!

Where do you get Whit bolts from these days that aren´t asking silly money ?

Martin Cargill23/05/2021 16:42:19
165 forum posts

Ebay item number 133400343863

Martun

Nigel Graham 223/05/2021 16:42:40
1661 forum posts
20 photos

I don't know where your "neck of the woods " is, but in the UK at least...

1/4" BSW X 1" Csk socket-head : in the Emkay Screw Supplies catalogue at 45p each.

I know that because the catalogue arrived only this Friday with some other fastenings I had bought from them.

I think one or two others offer them too.

Edited By Nigel Graham 2 on 23/05/2021 16:44:35

Bill Phinn23/05/2021 18:11:36
559 forum posts
86 photos

The Emkay site is new to me, and interesting.

One thing conspicuously wanting, though, is specificity regarding the material the various fasteners are made from. Are all the steel screws apart from the stainless ones just low tensile self-colour steel? Or can we assume the socket-head set screws at least are high tensile? If so, it would be useful to know the grade.

Peter Ellis 523/05/2021 18:14:52
49 forum posts
9 photos

Thank you ! The eBay seller won´t post abroad, not even to my Irish consolidator, which is a pain, as they are much more reasonably priced. BREXIT seems to be isolating Britain.

I have put in an order to Emkay and I will see how he responds.

Previous searched hadn´t produced either of these.

Speedy Builder523/05/2021 18:34:43
2383 forum posts
181 photos

I don't know where your "neck of the woods " is, but ... A location would help

If just plain csk, turn some hex bolts down to countersunk heads and put a sawcut in the head

Mark Easingwood23/05/2021 18:48:59
avatar
33 forum posts
6 photos

Kayfast of Wakefield have them. Also available in their Ebay shop.

This should take you there.

Peter Ellis 523/05/2021 18:55:02
49 forum posts
9 photos

I live in Istria. I will check Kayfast. Thank you.

Nigel Graham 223/05/2021 18:55:30
1661 forum posts
20 photos

Bill -

Emkay does not specify the grade but I would imagine a chuck held only by three 1/4" coarse-threaded countersunk screws is hardly in the sort of territory where every last ounce per square inch of shear stress counts.

I'd be surprised if the original screws were anything special, though I'd trust a regular model-engineering supplier to sell reasonable-quality fittings rather more than anything on Eeh-by-eck.

'

Speedy-Builder -

I think Bill wants a rather more elegant solution than that but anyway he'd still need find 1/4" BSW bolts - and though he did say 'bolts', bolts or screws?

Peter Ellis 523/05/2021 18:57:46
49 forum posts
9 photos

£4.01 per bolt and £17 to post them ! Some real spivs around these days !

Andrew Tinsley23/05/2021 19:18:54
1459 forum posts

Do you mean Spalding fasteners? If so, they have countersunk socket screws for 93 pence. They are 1.5 inches long so you need a hacksaw.

Andrew.

Edited By Andrew Tinsley on 23/05/2021 19:19:48

Bill Phinn23/05/2021 19:25:37
559 forum posts
86 photos
Posted by Peter Ellis 5 on 23/05/2021 18:57:46:

£4.01 per bolt and £17 to post them ! Some real spivs around these days !

Are you overseas, Peter?

I can't find 1" long 1/4" BSW CSK socket head screws on Spalding's site, but I can find 5/8" long ones, or 1 1/2" in the bolts.

Putting three of the latter in my basket and entering my Manchester postcode gives me a grand total, incl. RM 1st class postage and VAT, of £4.01.

Can you explain the discrepancy between your price and mine? Were the 1" ones you saw made of radioactive titanium that could only be sent by courier, perhaps?

Edited By Bill Phinn on 23/05/2021 19:26:47

Peter Ellis 523/05/2021 21:21:49
49 forum posts
9 photos

I don´t know. I just put in the search box and that is what it came up with. It didn´t mention cheaper ones. I don´t mind them longer, if that is all they have got, as obviously I can shorten them.

Cheers

Mark Rand23/05/2021 21:40:29
1050 forum posts
11 photos

I've got most of a box of 1/4x1.25" BSW CSK slotted head screws. Got caphead and hex, but not countersunk. Her Majesty's Royal Mail seem to think that it would cost £3.05 to stick some in a jiffy bag and post them to an address in Istria for delivery in about a week.

 

If that's any good to you, message me with an address and they'll be in the post tomorrow.

Edited By Mark Rand on 23/05/2021 21:42:49

Steviegtr23/05/2021 22:10:41
avatar
2222 forum posts
311 photos

Just looked on google earth as i have never heard of Istria. Yes you are a long way from us in the UK.

Steve.

Ian P23/05/2021 22:37:02
avatar
2512 forum posts
102 photos

Purist might complain, but I would think that 1/4" UNC might be a lot easier to find and will hold the chuck in place.

Whitworth threaded fasteners are a getting rarer and rarer and certainly not used in new designs, whereas UN fasteners and threads are used in current production in some countries (well the USA at least)

Ian P

Peter Ellis 524/05/2021 04:54:14
49 forum posts
9 photos
Posted by Steviegtr on 23/05/2021 22:10:41:

Just looked on google earth as i have never heard of Istria. Yes you are a long way from us in the UK.

Steve.

It is a nice part of the world and Trieste is only an hour away, although with COVID, I haven´t seen there in a year. It is relatively isolated from the rest of Croatia (and our COVID results are much better. No new cases at all yesterday) Other than the shipyards down in Pula (the former Austro-Hungarian Portsmouth - its military port), there is no engineering industry. They used to make big lathes over in Labin, at the Prvomaskja factory, but that has gone.

The lack of engineering limits local supplies. I can get metric fasteners in the local ironmongers, although nothing below M4 and there is a decent bearing factor locally. Metals (steel, SS and aly) come from the local builders merchant, but are of unknown specs and are aimed at tourist industry infrastructure. Someone down in Pula must do special steels but I have never found them. The local timber merchant has CNC cutting facilities and I can just give them a cutting list and they cut everything to size, which simplifies things.The local Lidl is handy, but you need to grab stuff when they have it.

Food and wine are excellent and cheap. The countryside is glorious, all vineyards and olive groves. I live in an old stone winery and for the first time, have room for decent metalworking and woodworking workshops. OTOH, there are no model engineers here. The internet makes things easier.

pgrbff24/05/2021 10:01:03
205 forum posts
28 photos
Posted by Peter Ellis 5 on 23/05/2021 18:57:46:

£4.01 per bolt and £17 to post them ! Some real spivs around these days !

I recently needed 2 1/2" BSW nuts and a few BSW washers. It's for a restoration so I didn't really want plated.

I was charged £15 postage and the stamp was less than £4. 2 nuts and 14 washers, and a jiffy bag.

DWS engineering,

I knew it would cost less than £4 to post but I had no alternative. I realise a business needs to make a profit but that I think is profiteering.

I'm in Italy.

Hopper24/05/2021 11:17:58
avatar
5505 forum posts
137 photos

UNC will work and are more readily available. Same pitch as BSW in the smaller diameters. The difference in thread angle in mass produced fasteners between BSW and UNC is unimportant.

JohnF24/05/2021 11:21:16
avatar
1091 forum posts
164 photos
Posted by Peter Ellis 5 on 23/05/2021 16:35:47:

I need three 1/4" Csk x 1", ideally skt hd, to fix a backplate to a Burnerd chuck. Imperial is difficult in this neck of the woods. When I went onto Spaldings, they wanted four quid + per bolt !!

Where do you get Whit bolts from these days that aren´t asking silly money ?

Peter, why countersunk ? I don’t recall ever seeing CsK being used and IMO socket head is far better, stronger, larger socket size thus better for torquing up.

John

PS if you don’t get fixed up PM me

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