---------------------- multipart/alternative attachment Hi, I think you mean Robertson. I have never heard of Thompson. The Robertson was a Canadian invention. They are available in the US now, I just can't find the catalogue now. Sears in Canada has them. The normal sizes are 1,2 & 3. They have a very small one #0 and a larger one #4, which is what I think you need. Try your local Sears and see if they can special order, I know they have #0,#1,#2,#3 in the catalogue here, I don't see individual #'s, they are part of kits. You would be more likely to see them in a woodworking type store or catalogue. Feel free to contact me and I will dig deeper for a source. regards, John m. Ross Windsor, Nova Scotia, Canada. Nancy McMillan wrote: > Hi list,A customer of mine has a Heintzman & Co. console, made in > Toronto. The pin block is pulling away from the back frame and I > received the go ahead for the repair. My problem is the bolts going > through the plate into the block and back frame are Thompson bolts ( > square recess in head of bolt) and I can't find any supplier in the > U.S. with this large of Thompson driver. The plate bolts have a > square recess of 3/16" square or roughly 5mm. I wouldn't mind being a > set of Thompson drive sockets so I can tighten up a few other things > on this piano. Any suggestion for tool suppliers from are Canadian > list members?ThanksDoug Mahard, Associate ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/83/73/bd/b9/attachment.htm ---------------------- multipart/alternative attachment--
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