Hi Rick, If you are referring to upright dollies - go ahead and drill them out so they will accept hex head lag screws. You don't need to increase the size that much. They are much sturdier mounted that way. Steve Grattan ________________________________ From: "richarducci at comcast.net" <richarducci at comcast.net> To: pianotech at ptg.org Sent: Mon, December 3, 2012 8:14:00 AM Subject: [pianotech] Piano dollies List, The last set of dollies I got had holes that were too small for any hex head bolts I could find. Had to use screws! Never seen this before. Do the holes need to be bored out? Rick Ucci Uccipiano.com 609-677-0444 -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121203/0be8c65d/attachment.htm>
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