Gallery, Projects and General > How to's
How to make a internal/external threading tool on your lathe
bob ward:
Thanks for the tip fatal-exception, you've enabled me to do a little job that would otherwise still have me scratching my head.
I needed to make a weird internal thread 26TPI x 0.65" or 21/32" or 16.4mm (suits a Lucas dashboard warning light bezel, 40's, 50's), no taps available for that one of course. Made one of your devices out of 8mm drill rod/silver steel and it worked a treat.
Not too long after that I needed to make a short blind 3/4" x 16TPI internal thread, I've only got a taper tap, and my 16mm internal threading tool won't quite fit down the hole. Your device rescued me again.
crabsign69:
i made one and i must say it works pretty dam good. now onto making different sizes .
thank u for this valuable tool making stuff. :headbang: :beer:
Divided he ad:
--- Quote ---Pssssssttt...... Ralph..... :wave:
--- End quote ---
Not going to happen Artie. Else this would be Bogs and me :wack: !!!
:lol:
Looks like a few people have had a roaring success with this design Paul, I think that gives it a Madmodder approval rating... Anyone else think that it gets one? :nrocks:
I'm still not a threader.... I'm going to have to do some some day ::)
Ralph.
Bogstandard:
Ralph,
I like this one as well, and could be put to other very good uses, boring bars for example, they are usually a PITA to make up, but as long as you don't require one too long, then this method is ideal, but would require a bit of handwork afterwards to put the correct clearances on. :nrocks: :nrocks:
With ref to your not single point threading, I have been threatening to show you for far too long, maybe next time your over, I will explain and show you just how easy it is to do.
In fact this evening, I cut some 4mm fine in about ten minutes. To buy the die would have cost me around 20 squid, and may never be used again for years. It was the same last week, when I needed to cut some 5mm coarse left handed, it was sorted in no time.
So it does really pay to know how to do it.
John
compspecial:
What a great idea, works a treat too! the excellent results speak for themselves! I don't ever recall seeing anything like it before! :clap:
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