PSN-L Email List Message

Subject: Re: Crossed rod hinge/suspensions v/s ball bearings hinge/suspensions
From: ChrisAtUpw@.......
Date: Sun, 23 Oct 2005 23:38:53 EDT


In a message dated 24/10/05, mark.robinson@............... writes:

> ChrisAtUpw@....... wrote:
> >       You can get 1/8" tungsten carbide drills (ordinary type) from 
> > www.smallparts.com for $4.20 each. The one that I have is about 2 1/4" 
> > long and half of that is usable shank.
> >       I buy the printed circuit board tungsten carbide drills with an 
> > 1/8" shank for a bit under $4.50. I have searched several US websites 
> > for these, but the only one that I found was digikey and they wanted 
> > $7.55 each! The overall length is 1.5" and the shank is 0.9" long.
> 
> TIG electrodes might be worth a go too.

Hi Mark,

       The only TIG welding electrodes that I have used were tungsten metal 
and they had a rough ground finish, not semi polished. They might be worth 
trying out though?

       Regards,

       Chris Chapman

In a message=20=
dated 24/10/05, mark.robinson@............... writes:


ChrisAtUpw@....... wrote:
>       You can get 1/8" tungsten carbi= de drills (ordinary type) from=20
> www.smallparts.com for $4.20 each. The one that I have is about 2 1= /4"=20
> long and half of that is usable shank.
>       I buy the printed circuit board= tungsten carbide drills with an=20
> 1/8" shank for a bit under $4.50. I have searched several US websit= es=20
> for these, but the only one that I found was digikey and they wante= d=20
> $7.55 each! The overall length is 1.5" and the shank is 0.9" long.

TIG electrodes might be worth a go too.


Hi Mark,

      The only TIG welding electrodes tha= t I have used were tungsten metal and they had a rough ground finish, not se= mi polished. They might be worth trying out though?

      Regards,

      Chris Chapman

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