PSN-L Email List Message
Subject: Re: good leveling screw source
From: ChrisAtUpw@.......
Date: Mon, 17 Oct 2005 08:32:39 EDT
In a message dated 17/10/05, sismos@.............. writes:
> I have spent a good hour looking on the web for some nice leveling
> screws with no luck. Does anyone on the list have a source.
>
> Something with a high thread count and a point so the thing does not
> walk when you turn it.
Hi Angel,
You can buy screw level adjusting bolts with a spherical tip. They
were referenced on psn in the US, I think last year, but were mild steel and
fairly expensive. I understood tha they were a 'stock item' in the US.
You can file / turn your own choice of bolt to a domed end.
You can buy cap nuts with a domed head to screw to the bottom of the
bolt.
I make a V hole in the end of a SS bolt with a centre drill and stick
in a SS ball bearing. This rests on a 2" square SS plate glued to the floor.
If you want a very high turns ratio, Arie had a system using a bolt
and a threaded rod with slightly differing threads and a central hexagonal brass
adjusting bar tapped at both ends. These sorts of device have been mentioned
in past PSN letters.
Regards,
Chris Chapman
In a message=20=
dated 17/10/05, sismos@.............. writes:
I have s=
pent a good hour looking on the web for some nice leveling
screws with no luck. Does anyone on the list have a source.
Something with a high thread count and a point so the=
thing does not
walk when you turn it.
Hi Angel,
You can buy screw level adjusting b=
olts with a spherical tip. They were referenced on psn in the US, I think la=
st year, but were mild steel and fairly expensive. I understood tha they wer=
e a 'stock item' in the US.
You can file / turn your own choice=
of bolt to a domed end.=20
You can buy cap nuts with a domed h=
ead to screw to the bottom of the bolt.
I make a V hole in the end of a SS=20=
bolt with a centre drill and stick in a SS ball bearing. This rests on a 2"=20=
square SS plate glued to the floor.
If you want a very high turns ratio=
, Arie had a system using a bolt and a threaded rod with slightly differing=20=
threads and a central hexagonal brass adjusting bar tapped at both ends. The=
se sorts of device have been mentioned in past PSN letters.=20
Regards,
Chris Chapman
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