tag:blogger.com,1999:blog-8162393339444825234.post434208331827361466..comments2024-03-25T21:56:48.421+00:00Comments on Amelia Squariel: Charlie's Shed - Let's fix those duff threadsCharlieCenghttp://www.blogger.com/profile/08734806152020304192noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8162393339444825234.post-20554992123198864352016-07-11T04:48:31.634+01:002016-07-11T04:48:31.634+01:00brain fart - I meant 20TPIbrain fart - I meant 20TPIAnonymoushttps://www.blogger.com/profile/05880087921050073253noreply@blogger.comtag:blogger.com,1999:blog-8162393339444825234.post-89010441451930720192016-07-11T04:46:55.075+01:002016-07-11T04:46:55.075+01:00Most of my holes weren't stripped, I helicoile...Most of my holes weren't stripped, I helicoiled those that were - but I went to 1/4" USC (american coarse thread). This has the same diameter and pitch - 13 tpi - but a 60 degree angle. This has means the worn 55 degree BSW threads can be chased with a USC tap to clean them up, and tools and case screws (black allen drive) are all off the shelf at the local hardware store. I'm in the US now, last bastion of inch measurements, which helps. This is not original but my bike has never been a trophy winner (except mileage and RAT awards, long ago).Anonymoushttps://www.blogger.com/profile/05880087921050073253noreply@blogger.com