Kaijun
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Hi! I need to clean stripped threads in a wheel hub using M14x1.5 mm taper. But I don't know if a 1/2" or 3/8" wrench fits taper head. If not, can someone recommends a tool? Thanks!
M14x1.5 thread taper tool
- Thread starter Kaijun
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Any tool that fits will do! If you want to use a spanner just try them until you get one that fits.
I have been known to put the tap in the vice, then put the threaded object, usually a nut, over it and use a spanner or a socket to turn it down the tap.
Does the tap not come in a set with a holder?
They have to be adjustable, i have sets with two adjustable holders, one small where you tighten it a bit like a chuck and another where you tighten the handle down onto it, flat with two handles.
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Here’s one, showing it at 8.9mm
https://www.ebay.co.uk/itm/36376550...KAgRWjeQlQB4lLPxe4LsctrBaQ==|tkp:BFBMhNHq4_Zf
https://www.ebay.co.uk/itm/36376550...KAgRWjeQlQB4lLPxe4LsctrBaQ==|tkp:BFBMhNHq4_Zf
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So a 9mm open ended spanner would turn it.
@gstuart do you ever put the tap in a vice like I do?
I find it quicker and easier a lot of the time.
indeed I do , plus got some combined drill/ taps which I’ll put the item into a vice and use a pillar drill so it goes into the object straight and true , plus when I use the pillar drill find it easier adding some 3/1 oil at the same time
alas only a small pillar drill but ideal for many jobs
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Funnily, when tapping or "die-ing" I also use 3 in 1 oil!
But do like those combined drill/taps, just don't do enough to justify buying them.
Kaijun
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From ebay, a tap holder comes with up to M12 taper. There could be a holder for M14, I am not sure if handle is long enough. I see from youtube someone uses tap chuck, I can not find 4-jaw chuck. BTW what brand is good for wheel hub job? how about us pro? https://www.ebay.co.uk/itm/143503352961?epid=28024782976&hash=item2169776481:g:hQMAAOSwQ0teIE26
Funnily, when tapping or "die-ing" I also use 3 in 1 oil!
But do like those combined drill/taps, just don't do enough to justify buying them.
lol, indeed can’t beat some 3-1 oil, suppose seeing my pops using it for so many years I followed suit
must admit fit them for things like compressor fittings or various small clips that just needed a tap running through them from being cross threaded etc , alas on the D3 there’s so many of them
hi
did notice that where some of the chuck type holders will only go up to a certain size
Did find a link of a wheel stud kit in thread number 6 , have got some tools from US pro and found them ok, however for a wheel stud would spend abit more as the last thing u want is a tap snapping and ending up in a world of hurt in then struggling getting that removed
Kit is only £30 and at least u then know it’s strong enough and handy if u ever need it again , plus want the tap to cut a good thread which I’d also be concerned about with the cheaper taps , just my two cents and hope that helps
Kaijun
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I just clean stripped threads, not cut new threads
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Depends how stripped, especially in ally. If the stripped one is too far gone you often have to drill it out and then cut a new oversize thread.
Think of feckin TD5 exhaust manifold studs, bastids!!
Kaijun
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a bolt thread is stripped, I tried other bolt, it doesn't screw in. I assume wheel hub thread is still ok, but not sure a taper can drill stripped out without damaging hub thread, I have no experience on this.
Kaijun
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- Berkshire, U. K.
Thank you four your useful info!!! I just found a dedicated tool, it might be operated with standard socket by hand. I don't know if anyone have used similar products https://www.ebay.co.uk/itm/175189702848?hash=item28ca1eb8c0:g:SpUAAOSwc-FfvMpd
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If the bolt thread stripped there will still be bits of it in the female thread. That isn't a problem, just run your tap down and when it encounters resistance, make a 1/4 turn then back off a half turn and keep doing this, that way you'll take the useless metal out of the thread in the female and render it fit for purpose again.
don't forget to keep it lubed and don't be shy of taking it out from time to time to clean it. That is what the channels are for, to gather the cut metal.!
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Looks like you are buying 4 tools only one of which will do that job and that no better than a standard tap.
It's up to you but I wouldn't.
I'd buy a good quality tap and die set, I'll see if I can find one for you.
Right I have found, as you probably have too, that most tap end die sets stop, unhelpfully, at 12mm.
But I did find this
https://www.tools2udirectsw.com/us-...ad-taper-plug-set-hss-thread-repair-tap-2658/
But I think @gstuart 's one looks better. You only need the taper.
There is a way of using an old bolt to clear a thread, but I don't know whether you would be bothered, it involves cutting a slot in a bolt and then maybe heating it up and cooling it to temper it.
fingers crossed the OP doesn’t have to buy another hub, have found many threads getting stripped or damaged by the use of air guns, where they put the nut or bolt into the airgun then trying to do them up instead of doing them up a few threads by hand first
have nuts on mine, so at least if a thread got stripped I can knock them out and replace them over replacing the entire hub
my pops useto do that with a bolt, putting it into a vice and cutting several threads length ways, then heating and quenching , if I remember rightly he useto put grease on the bolt prior to heating it
also bought some cheap taps and they snapped inside the thread, one was on a cylinder head where the exhaust bolt studs were, taught me a lesson when to buy good tools for a certain application, so over the years thrown away rubbish and replaced it with the best I could afford
Kaijun
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BTW, do you use WD-40 or penetrating oil? I have used penetrating oil to challenge stubborn and rusty bolts. I am not sure if torch fire + water would be another better option to remove damaged thread.
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