Author	[Modern View]
masonejoejoex2 08-14-2012 07:14:37 67.216.100.2 Report to Moderator	So ive been working on my ford 850 tractor and it seems like some of the bolts are stripped and worn out and need to be replaced like around the hood . Im sure there are lots of bolts that need to be replaced. Ive noticed some are corase thread and fine thread. Are most of these bolts just regular SAE bolts? How do i replace them just go to my local hardware store? [Reply]   [No Email]
Red Ford 08-14-2012 17:10:54 71.238.15.227 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   All things being equal, fine thread fasteners are more vibration resistant then coarse thread ones. [Reply]  [No Email]
masonejoejoex2 08-14-2012 11:39:43 67.216.100.2 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   thanks for all the tips and advice i think i know a lot better about what to do [Reply]  [No Email]
Dell (WA) 08-14-2012 10:52:03 71.217.28.148 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   masonejoejoe2........remember COARSE thread for CASTIRON. Castiron will not take fine-thread taps. Ittza LAW. SAE is usually fine thread and USS is usually coarse thread. Grade-5 is good for almost everything. Most stainless is grade-2. Most galvanized is grade-2. CAUTION: many block holes are BLIND and need to clean them out with Q-tips so they don't hydraulic fracture yer engine block when you install new bolts. Also, 1-thread showing, max 5-threads showing ...or... change the length of yer bolt. ........nutless Dell [Reply]  [No Email]
Keith Williams 08-14-2012 10:33:03 24.142.137.38 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   masonejoejoex2, I messed with the bolts around the hood and found that I could tap the fine thread captive nuts with a course thread tap and get them to work again. I also could find course bolts and nuts easy. Keith [Reply]  [No Email]
HD_Jeff 08-14-2012 09:43:46 68.98.127.66 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   USS is coarse thread SAE is fine thread Just in case you really wanted to know! :wink: [Reply]  [No Email]
Carrie 08-15-2012 16:33:10 71.251.99.248 Report to Moderator	Re: Understanding Replacing Bolts in reply to HD_Jeff, 08-14-2012 09:43:46   U.S.S.-United States Standard S.A.E.-Society of Automotive Engineers SAE was created for the automotive industry. Prior to that everything was USS. Fine thread (SAE) is resistant to vibration. [Reply]  [No Email]
masonejoejoex2 08-14-2012 08:33:42 67.216.100.2 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   no, its just a work tractor , and just trying to put back together when i work on it, thanks soundguy This post was edited by masonejoejoex2 at 08:38:49 08/14/12. [Reply]  [No Email]
soundguy 08-14-2012 08:12:59 184.247.6.158 Report to Moderator	Re: Understanding Replacing Bolts in reply to masonejoejoex2, 08-14-2012 07:14:37   if you are doing a restoration and want to be exact.. you will have to track down the closest example tot he oem ones. if it's a work tractor, just find a correct sized fastener for the hole and go. tan and that sort of thing.. gr2 is fine.. most of the rest of the tractor.. gr5 is fine. specialty stuff.. go gr8 [Reply]  [No Email]