<html><head><style type="text/css"></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>A particular skill I've been trying to perfect for many years! CV </div><div style="font-family:times new roman, new york, times, serif;font-size:12pt"> <div style="font-family:arial, helvetica, sans-serif;font-size:10pt"><hr size="1">From: Delwin D Fandrich <del@fandrichpiano.com> To: pianotech@ptg.org Sent: Tue, December 13, 2011 8:02:42 PM Subject: Re: [pianotech] Un-Grand revisited See...even Kimball could do some things well. ddf Delwin D Fandrich Piano Design & Fabrication 6939 Foothill Court SW, Olympia, Washington 98512 USA Phone  360.515.0119 — Cell  360.388.6525 <a ymailto="mailto:del@fandrichpiano.com" href="mailto:del@fandrichpiano.com">del@fandrichpiano.com</a> — <a ymailto="mailto:ddfandrich@gmail.com" href="mailto:ddfandrich@gmail.com">ddfandrich@gmail.com</a> -----Original Message----- From: <a ymailto="mailto:pianotech-bounces@ptg.org" href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a> [mailto:<a ymailto="mailto:pianotech-bounces@ptg.org" href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</a>] On Behalf Of Ron Nossaman Sent: Tuesday, December 13, 2011 11:19 AM To: <a ymailto="mailto:pianotech@ptg.org" href="mailto:pianotech@ptg.org">pianotech@ptg.org</a> Subject: Re: [pianotech] Un-Grand revisited I've read that the Phillips was designed to cam out before it reached damaging torque levels, like the hex drive or Robertson. Kimball refined this to an art form by spinning bits in Phillips head screws until a smooth conical crater formed, eliminating all hope of removing the screws at some later date. Other manufacturers tried, but never quite reached Kimball's level of expertise at screw head stripping. Ron N </div></div> </div></body></html>