David,The purpose of helicoils is to repair threads in a hole, so you can use the same size faster. Are your fasteners stripped or the threads in the hole? Where on your curler are the threads damaged? Doug Mountjoysv Rebecca Leah C&C Landfall 39Port Orchard yacht club -------- Original message --------From: David Knecht via CnC-List <cnc-list@cnc-list.com> Date: 5/14/20 18:50 (GMT-08:00) To: CnC CnC discussion list <CnC-List@cnc-list.com> Cc: David Knecht <davidakne...@gmail.com> Subject: Stus-List Helicoils I have seen mention of helicoils several times on this list but I have no experience with them. I have several stripped screws on my Harken furler and was thinking they might be useful to repair. What is unclear to me from what I have read is the reason to use them. I still have threads there, and I thought the idea was to screw in a helicoil to make the threads grab again. However, every description I have seen of using them drills out the hole, taps and then screws in a helicoil. I don’t get the point. If I am going to drill and tap, why would I use a helicoil instead of just putting a screw into the newly tapped hole? Is it that you can use the same size screw as before instead of going to a larger size? Is that preferable for some reason? Dave David KnechtS/V Aries1990 C&C 34+New London, CT
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