Internal threading. 35mm x 1.5 on a 7x10

Gallery, Projects and General > How do I??

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bry1975:
Very interesting with regards R R.

That loonytune reeks quality.

Those HQS taps certainly sound good I use to so hate tapping knowing that the M6 or M8 could so easily snap.

Also have any of you chaps tried coated taps?

So do you offer lathe turning work Bogs?

Regs

Bry

bry1975:
So can any of you lathe lads turn the part below:-

It's a fixed bezel for a Tag Heuer watch doesn't have to be mega tight tolerances but needs to look right a tolerance of 0.1mm should be plenty good enough the part can also be cemented in place. I usually refinish bezels but this ones way past refinishing unless you have a micro welder. :(

Material 316L SS
Rough sizes are O.D 38mm I.D. 32mm thickness around 3mm.

I'll speak to the client but I think the chap would be happy to pay £20-£40 for the part.

kvom:
I bought this threading tool from Mesa Tool. http://www.mesatool.com/index.php?main_page=product_info&cPath=4&products_id=14

Beats tying to grind a HSS threading tool for small thread pitches.

Dean W:

--- Quote from: bogstandard on November 07, 2010, 08:24:12 AM ---Dean,

I will go thru my 'extras', and send you a couple, they might not be sizes you would normally use, but hey, if they are freebies, it don't matter. Then you can get a 'feel' for the quality.
I still have your address so no worries on that score.

John

--- End quote ---

Well thank you, John! I had looked at a number of British suppliers trying to decide what products would be worth having shipped
over here. I get a customer now and then that needs something made with small BA or BSF threads. I'll go on your recommendation
and order a few things from Tap & Die next month. I'll have to make up another list! ; )

Dean

bp:
I recently got a couple of 1/4" x 32 ME taps and a die which are marked "T & D". I haven't used them other than for a test piece in free cutting steel, because I was (am) concerned about the burrs on both taps and die. The test piece certainly seems to have a reasonable female thread, and a previously made male part seems to fit ok.
But I'm still worried about the burrs, which are still there after tapping the test piece. Most of the parts for which I got the taps and die are light alloy, I haven't yet made a test piece in Alum. Alloy, mainly due to lack of time.
Am I worried about nothing?? I do tend to be a bit pedantic sometimes
cheers
Bill Pudney
Adelaide

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