Robertson screw, was Panel hauler

Marcel Carey mcpiano at videotron.ca
Sat Jan 20 09:20:21 MST 2007


One application that is really great is with Dampp Chaser installations.
I wish Dampp Chaser would use them instead of their useless screws ( I
trough them away and use Robertson anyway)

Marcel Carey

> -----Message d'origine-----
> De : pianotech-bounces at ptg.org 
> [mailto:pianotech-bounces at ptg.org] De la part de Farrell
> Envoyé : 20 janvier 2007 08:36
> À : Pianotech List
> Objet : Re: Panel hauler
> 
> 
> Square drive is vastly superior to slotted or philips. They 
> are nearly 
> impossible to strip and don't require downward/inward 
> pressure to maintain 
> drive force - there is no tendency for the driver to slip out 
> of the screw 
> head. Also, for tight situations, you can stick the screw on 
> the end of the 
> driver and it will stay there in nearly any position.
> 
> Why ALL screws are not square drive - I have no idea. The 
> difference is 
> night and day - something that works and something that doesn't.
> 
> Terry Farrell
> 
> ----- Original Message ----- 
> > That's funny...I got their catalog today...what is 
> advantage of the square 
> > drive screws?   I would guess 4 bearing sides...?
> >
> > David Ilvedson, RPT
> 
> 
> 





More information about the Pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC