Stainless Studding

On or around Sat, 10 Feb 2007 15:26:51 GMT, "Michael" enlightened us thusly:

Arun fastener is where I've got LH studding (plain steel, cos that's what I wanted) and LH M8 nuts. Mind, they were both M8x1.25

contact details on here:

they've always been helpful to me.

I think the OP's request will be difficult to accommodate. He's after three unusual traits all in one part: stainless; left-hand thread; fine pitch. You're only allowed one of the three. Have a look at

(no connection - especially an M8, stainless, left-hand, fine pitch one) but they do M10 x 1.0 in RH steel. Or M8 x 1.25 in stainless. Or M8 x 1.25 in LH steel. There are NO LH fine pitches, and NO LH fine pitches in stainless.

Probably be cheaper and quicker to buy a metric screwcutting lathe.

.

-- Regards,

John Stevenson Nottingham, England.

Visit the new Model Engineering adverts page at:-

Pessimist! 10 metres of stainless bar and about a gross of dies......

Die box and a post hole borer?

Mark Rand RTFM

When was the last time you saw a fine thread left hand post hole borer ?

Or even a post hole borer with 127 translation gears

-- Regards,

John Stevenson Nottingham, England.

Visit the new Model Engineering adverts page at:-

These people say thaey can do specials:

Stu G

Thanks I'll ring them on Monday

Michael

Actually it's for a lathe. Looking to replace/upgrade the leadscrew on a Unimat SL

Michael

On or around Sat, 10 Feb 2007 21:53:18 -0000, "Newshound" enlightened us thusly:

If you know where to get that number of LH dies without spending the national debt, I'd like to know.

have enough trouble finding ordinary M8 LH ones.

Have you tried Tracy Tools of LH Threading tackle? Thier catalogue implies they have LH stuff. I bought lots of RH taps/dies from them in the past.

Bob

"Michael" wrote in message news:%ulzh.251845$ snipped-for-privacy@fe1.news.blueyonder.co.uk...

Michael,

Since you are scratch building this it might be easier to change the design?

Do you really really need a thread length of 1000mm? Or would a metre rod threaded 25mm either end do? Really really need stainless? Why is 1mm thread crticial to the design?

Regards

Steve

In a previous post he said it was for a Unimat lathe cross slide. Mind you at one metre travel for a unimat it would make a good video to mate one of these with a TOS SN50

-- Regards,

John Stevenson Nottingham, England.

Visit the new Model Engineering adverts page at:-

But then: Why 1m and stainless? I could turn you one in free-cutting steel at a SL-fitting length (if I have a mating nut).

Nick

I thought it was for that submarine of his! Missed the post in the middle.

As John said it for the longitunidinal leadscrew on a Unimat SL so the specs are out of my hands.

For my subs, you have a acrylic water tight cylinder (WTC) that has to be true at both ends. My subs require WTCs that are around 700-800mm long and so I'm looking to extend the bed so it can handle 900mm tubes.

And the reason I said stainless is purely 'cause I don't want it going rusty so that can be ordinary steel....

Michael

Thanks Nick but I'm looking to extend the bed to handle 900mm tubes (see my other post).

Cheers,

Michael

About 750mm is the maximum I could handle with screw-cutting. Dammit, my lathe is too small again. :-)

Nick

SS will be a lot harder on your half nuts. how many supports are you fitting?

Tom