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HSS Threading Inserts Kits.

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Roger Williams 220/07/2013 14:14:13
346 forum posts
3 photos

Hello, does anyone know if Arthur Warner HSS threading inserts are imported into the UK ?.. This is an American company that sells HSS turning and threading insert kits. Perhaps a company in the UK markets their own brand ?.

Many thanks.

Andyf20/07/2013 14:32:10
392 forum posts

I dion't know about here in the UK, Roger, but LittleMachine Shop in California sells them, and will ship across the pond. Try this page, pick the first one and then click on Chris's Tips, where you will find a link to a chart showing the inserts and their LMS part numbers.

I suppose they will all be 60°, so no good for Whit, BA etc.

Hopefully, you will find a UK supplier.

Andy

 

Edited By Andyf on 20/07/2013 14:38:19

Roger Williams 220/07/2013 17:54:51
346 forum posts
3 photos

Hello Andy, thanks for the info.Im a bit wary about import charges, so I will keep trying to find a UK supplier. Cheers.

Douglas Johnston20/07/2013 19:21:35
avatar
767 forum posts
34 photos

Greenwood tools used to supply HSS threading inserts, I bought a couple a number of years ago and they are still going strong. Don't know if they still supply them.

Doug

Roger Williams 222/07/2013 10:15:13
346 forum posts
3 photos

Hello Douglas, thanks for the tip about Greenwoods but unfortunately they dont do HSS ones. I did think about getting carbide inserts, but have read of so many people having trouble with them in the home shop environment with the tips breaking during threading, it put me off. I did try some brazed carbide threading tools, but they were hopeless. I will have to carry on grinding the old way I suppose with HSS lumps !.face 8

Saxalby22/07/2013 10:37:59
176 forum posts
26 photos

Hi Roger,

Try Protool http://www.protool-ltd.co.uk I bought HSS thread inserts from them. They do pretty much any thread form you could wish for. They sell them in packs of two. Although when I bought mine I splashed out on a boxed set.

Regards

Barry

Edited By John Stevenson on 22/07/2013 11:17:58

John Stevenson22/07/2013 11:17:26
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Moderator
5068 forum posts
3 photos

I bought a couple of these a few years ago

**LINK**

Got the 1/2" and 5/8" models plus a box of tips, very well made and same tool doubles up as internal and external. Not HSS though.

Douglas Johnston23/07/2013 09:09:18
avatar
767 forum posts
34 photos

That is a pity Greenwood don't do HSS ones anymore, although I have used carbide ones for years without too many problems, just as long as you are not too rough with them.

Doug

Roger Williams 223/07/2013 10:03:41
346 forum posts
3 photos

Hello all, thanks for the replies. Douglas, yes, Ive looked at Greenwoods 2 or 3 times and cant find them. They do carbide ones that look good, so I will have some of those instead. Thanks.

Edited By Roger Williams 2 on 23/07/2013 10:10:28

JohnF23/07/2013 11:59:45
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1146 forum posts
189 photos

Roger, consider whether you want / need partial or full profile inserts, personally I use full profile ones but partial profile will allow you to cut several threads of differing pitches where as full profile are dedicated to a fixed pitch or TPI. If you use partial profile on some thread forms, e.g. Whit, Unified, you will have to truncate the thread crest to compensate for not having the crest radius.

I am not an avid fan of tipped tools for the home workshop and most of my turning is done with HSS --easy to grind to shape and good stock removal at the speeds and feeds we can use on lighter machines. I do use some tipped tools for certain applications one being threading which I do a lot of, even so sometimes I grind up HSS for an odd job.

Hope this helps John

Ian S C23/07/2013 13:32:00
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7468 forum posts
230 photos

You can use a thread chaser to profile the thread top radius, only needed for Whitworth, and BA threads. Ian S C

JohnF23/07/2013 15:18:52
avatar
1146 forum posts
189 photos

Also all unified threads UNF UNC etc -- I've cut 1000's of them before the advent of tipped full form tools, all were truncated. An easy one I still cut many of is 1/2 UNF truncation 0.006" to 0.008" is standard.

Thread chaser, well yes you can but its easier just to truncate the thread and cut out another operation and the need to have a chaser for every thread size you might want to cut.

John

Roger Williams 223/07/2013 20:12:45
346 forum posts
3 photos

John, Ian, thats why I fancy HSS Inserts, like the Arthur Warner ones, but am a bit concerned about postage and perhaps import duty from the US. Im about to make a Swing Up toolholder to John Stevensons design and thought it would be nice with some decent insert tooling instead of the hand ground i.e, not very good, threading bits I have now.But asI said originally about peoples bad experiences with carbide in the homeshop , they certainly have their disadvantages. Cheers.

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