Imperial acme threaded rod

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Imperial acme threaded rod

This topic has 25 replies, 15 voices, and was last updated 21 February 2019 at 17:34 by colin vercoe.

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3 May 2018 at 10:13 #352613
sean logie
Participant
@seanlogie69385
Struggling to find myself imperial 1/2″ 10 single start threaded rod/leadscrew for my crosslide . Anyone have any ideas .

Sean
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3 May 2018 at 10:13 #29813
sean logie
Participant
@seanlogie69385
3 May 2018 at 10:24 #352615
jimmy b
Participant
@jimmyb
**LINK**

Maybe some use?
3 May 2018 at 10:52 #352618
Michael Gilligan
Participant
@michaelgilligan61133
I was about to suggest Marchantdice … but an internet search suggests that they might have disappeared.

Jimmy's link looks useful.

MichaelG.
3 May 2018 at 10:58 #352620
John Haine
Participant
@johnhaine32865
Zapp Automation?
3 May 2018 at 11:06 #352622
Michael Gilligan
Participant
@michaelgilligan61133
Posted by John Haine on 03/05/2018 10:58:21:
Zapp Automation?

.

They have trapezoidal … but a search for ACME brings only one result; and I'm pretty sure that's wrong.

https://www.zappautomation.co.uk/catalogsearch/result/?q=+ACME

[the spec-sheet appears to show it having a metric screw]

MichaelG.

Edited By Michael Gilligan on 03/05/2018 11:07:09
3 May 2018 at 11:22 #352625
sean logie
Participant
@seanlogie69385
There’s a lot of suppliers most are metric unfortunately 🤔

Sean
3 May 2018 at 11:47 #352629
Ex contributor
Participant
@mgnbuk
Abbsac still list this as a "legacy product" **LINK**

Might be worth a call ?

Nigel B
3 May 2018 at 11:51 #352631
Michael Gilligan
Participant
@michaelgilligan61133
Posted by sean logie on 03/05/2018 11:22:29:
There's a lot of suppliers most are metric unfortunately 🤔

.

Hence the usefulness of jimmy's link

The USA might be the only place to buy ACME from stock.

MichaelG.

.

Edit: posted before I saw Nigel's comment.

Edited By Michael Gilligan on 03/05/2018 11:52:20
3 May 2018 at 12:00 #352633
sean logie
Participant
@seanlogie69385
Yeh think your right michaelG

Sean
3 May 2018 at 12:27 #352636
sean logie
Participant
@seanlogie69385
Jimmy b , $147 shipping 🤥🤔🤣.

Sean
3 May 2018 at 13:29 #352648
jimmy b
Participant
@jimmyb
Oh!

At least you can get it!

I once ordered some BSW threaded rod, I didn't ask the price, as I'd had loads of metric stuff costing very little. I think it cost £20….lesson learned

Jim
3 May 2018 at 13:45 #352652
Brian H
Participant
@brianh50089
I needed some 1/4" Acme threaded rod and could only get it from USA. Even with the postage it wasn't too expensive.

Brian
3 May 2018 at 13:55 #352655
pgk pgk
Participant
@pgkpgk17461
If you can find a us contact to buy and post then mcmaster carr stock acme rod

https://www.mcmaster.com/#threaded-rods/=1cohssg
3 May 2018 at 14:36 #352663
mark costello 1
Participant
@markcostello1
If You need help, I will.
3 May 2018 at 16:09 #352677
Ex contributor
Participant
@mgnbuk
If Abssac can't supply, this company **LINK**

were recommended by John Stevenson when this topic was discussed some time ago on this forum. If you go the download page, the standatrd screw products .pdf lists 1/2" 10 tpi LH and RH as stock products.

Nigel B.

Edited By mgnbuk on 03/05/2018 16:09:56
3 May 2018 at 16:28 #352679
Robbo
Participant
@robbo
Posted by mgnbuk on 03/05/2018 16:09:36:

If Abssac can't supply, this company **LINK**

were recommended by John Stevenson when this topic was discussed some time ago on this forum. If you go the download page, the standatrd screw products .pdf lists 1/2" 10 tpi LH and RH as stock products.

Nigel B.

Edited By mgnbuk on 03/05/2018 16:09:56

I have had acme feed nuts from Kingston, excellent products. Have recommended them on previous threads. Only problem with threaded rod is their minimum length is 3 feet. Another link **LINK**

Edited By Robbo on 03/05/2018 16:29:17
3 May 2018 at 18:48 #352703
Brian Wood
Participant
@brianwood45127
SEan,

I have found another contact for KIngston above sales@kingston-engineering.co.uk

they claim to supply ACME in many forms

Regards

Brian
3 May 2018 at 18:52 #352704
JasonB
Moderator
@jasonb
HPC do it as well as nuts both left and right hand
3 May 2018 at 18:59 #352706
Michael Gilligan
Participant
@michaelgilligan61133
Posted by JasonB on 03/05/2018 18:52:46:

HPC do it as well as nuts both left and right hand

.

Dontcha just love it !!

Genuine ACME thread-form, with lead & straightness toleranced in Metric.

MichaelG.

Edited By Michael Gilligan on 03/05/2018 18:59:57
5 May 2018 at 07:56 #352886
sean logie
Participant
@seanlogie69385
Has anyone tried using McMaster Carr in the states . I did a dummy run on an order to find out shipping costs. When I placed the order it said shipping cost and taxes would be added ,maybe I'm missing something but it didn't show the final combined price ,needless to say I immediately stopped the order . Shame because the price was what I was willing to pay .

Sean
5 May 2018 at 07:59 #352887
JasonB
Moderator
@jasonb
By the time they had added taxes and shipping there end and you then add import duty, VAT and fee this end you will probably find HPC or one of the other UK sources cheaper
21 February 2019 at 08:15 #397277
Paul Appleton 1
Participant
@paulappleton1
Mcmaster-Carr will no longer accept orders from the UK. Try finding a LH Acme 5/8×10 tpi leadscrew and nut in Europe!! The old Colchester lathe I have originally has a 5/8×5 TPI thread on the crosslide. This is not even mentioned in most data books. By replacing with a 10TPI I would have had a direct read dial. Wow! how 'modern' is that?

Kingston Engineering can supply 5/8x 8 LH acme screw and nut 'off the shelf' for around £50 total. But of course I then have to make a new indexing dial.

I realise that the auto feed rates would be affected by doing a conversion, but thats not really a biggy for me.

BR, Paul
21 February 2019 at 11:53 #397303
Dave Halford
Participant
@davehalford22513
Posted by Paul Appleton 1 on 21/02/2019 08:15:34:

Mcmaster-Carr will no longer accept orders from the UK. Try finding a LH Acme 5/8×10 tpi leadscrew and nut in Europe!! The old Colchester lathe I have originally has a 5/8×5 TPI thread on the crosslide. This is not even mentioned in most data books. By replacing with a 10TPI I would have had a direct read dial. Wow! how 'modern' is that?

Kingston Engineering can supply 5/8x 8 LH acme screw and nut 'off the shelf' for around £50 total. But of course I then have to make a new indexing dial.

I realise that the auto feed rates would be affected by doing a conversion, but thats not really a biggy for me.

BR, Paul

Paul, Whats wrong with using HPC? https://www.hpcgears.com/pdf_c33/2.8-2.9.pdf

Edited By Dave Halford on 21/02/2019 11:53:34
21 February 2019 at 15:52 #397335
Pete Rimmer
Participant
@peterimmer30576
Posted by Paul Appleton 1 on 21/02/2019 08:15:34:

Mcmaster-Carr will no longer accept orders from the UK. Try finding a LH Acme 5/8×10 tpi leadscrew and nut in Europe!! The old Colchester lathe I have originally has a 5/8×5 TPI thread on the crosslide. This is not even mentioned in most data books. By replacing with a 10TPI I would have had a direct read dial. Wow! how 'modern' is that?

BR, Paul

The reason is that it's a 10tpi pitch .200" lead 2-start thread.
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