Heintzman Screws

[Roger Jolly]

Hi David,
               They are called Robertson screws, You can get a set of
drivers from Snap On Tools in the US.
Universal shafts are availiable from Pianophile in Quebec.
We can buy sets of 4 different sizes.
If you need the size for plate bolts, I can help thro' a Canadian tool
supply company.
Roger


At 12:26 AM 21/01/00 -0500, you wrote:
>    What is the term for the screws that have the square hole in them and 
>where do you get the tool for turning them?  Do any of the normal supply 
>houses carry it?  It seems to be a Canadian phenomenon.  I've seen them in 
>some other pianos but the Heintzman is put together entirely with them.  Is 
>the tool similar to an Allen wrench?
>
>                                David Porter
>                                St.Louis, MO
> 
Roger Jolly
Saskatoon, Canada.
306-665-0213
Fax 652-0505