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Myself · 09-11-2006, 01:33 PM

Fine threaded bolts have more surface area for friction holding. This way they don't tend to back out. That's why fine threads are used on flywheel, damper, rods, etc.

09-11-2006, 01:33 PM	#1
Myself Registered User Join Date: Oct 2005 Location: Northern Arkansas Posts: 1,166	Re: Door Hinge Bolt Holes Stripped! Fine threaded bolts have more surface area for friction holding. This way they don't tend to back out. That's why fine threads are used on flywheel, damper, rods, etc.