Teach me how to Tap n Die

[tberk@mindspring.com (T Berk)]

Julie Macfarlane wrote:
> 
> >From: T Berk <tberk@mindspring.com>
> >To: Scirocco List <scirocco-l@scirocco.org>
> >Subject: Teach me how to Tap n Die
> >Date: Sun, 16 Jun 2002 18:48:41 -0700
> >
> >I found a snapped off bolt on the side of the Hydro head and have
> >drilled out the steel stud very carefully.
<snip>
> >
> >Help o' sage ones.
> >
> >TBerk
> >

>
> There are two types of taps. One for through metal and one for bolt threads
> likle you need. this is the square bottomed tap.
> If the threads are bad, you'll need to match the threads per inch with the
> next size up and use a bolt of that size. If the threads just need cleaning
> then get one to match the bolt size.
> Use plenty of machine oil when you turn the tap. Only a 1/4 turn at a time,
> then reverce it out a 1/4 turn to break the shard free. The oil cools as
> well as lubricates so don't be stingy.
> 
> Good luck,
> 
> Julie

OK, I'm off o get the next size up, the Al and Iron are bonded now. I'll
run it clean and tap from there.

Thx. Anybody have any other info, chime in- I'll not get it started till
Monday.

TBerk