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UNC Nuts - Large!

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JasonB07/08/2016 20:51:58
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That should be handy to correct any distortion you may get after welding, as for a wrench a couple of 6ft lengths of 40mm bar should do the job, just make sure your vice and bench are fixed down wellblush

Clive Hartland07/08/2016 21:20:03
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2929 forum posts
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Perhaps hold the square end of tap in the vice with packing and spanner the nut.

Clive

Michael Gilligan07/08/2016 21:30:08
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Posted by Andrew Johnston on 07/08/2016 20:46:01:

Just need a suitable tap wrench now ...

.

What size A/F is the square, Andrew ?

MichaelG.

Nicholas Farr07/08/2016 21:58:45
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3988 forum posts
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Hi Andrew, do you have a stock for your 3" diameter die's?

**LINK**

If you do, you could cut a square hole in a steel blank and maybe use that.

Regards Nick.

Andrew Johnston08/08/2016 11:40:08
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Posted by Michael Gilligan on 07/08/2016 21:30:08:

What size A/F is the square, Andrew ?

The answer is 1.23" AF, approximately.

Nick: I don't have a suitable diestock, but then again I haven't needed to use the linked dies yet! For this particular project the UNC bolts already exist. If I was going to make external threads I'd screwcut them on the lathe rather than use a die. I'm not sure how you'd even start a die with a that that coarse?

Andrew

Michael Gilligan08/08/2016 12:15:43
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Posted by Andrew Johnston on 08/08/2016 11:40:08:
Posted by Michael Gilligan on 07/08/2016 21:30:08:

What size A/F is the square, Andrew ?

The answer is 1.23" AF, approximately.

.

Give me a few minutes ... Just off to check something in my 'hoard'.

MichaelG.

.

UPDATE: I have a suitable tap wrench ... Will send a PM forthwith.

 

Edited By Michael Gilligan on 08/08/2016 12:34:58

MW08/08/2016 12:57:00
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Posted by Andrew Johnston on 28/07/2016 23:06:50

As an aside the rock crusher is driven by a 17MW induction motor, complete with variable frequency drive - yer not going to find that VFD on Ebay!

Andrew

Nah really? cause you kinda got my hopes up there for a second.

Michael W

Andrew Johnston08/08/2016 19:30:09
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7061 forum posts
719 photos
Posted by Michael Walters on 08/08/2016 12:57:00:

Nah really? cause you kinda got my hopes up there for a second.

Michael W

I hope you didn't waste too much time on Ebay before the penny dropped. wink 2

Andrew

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