I hope that "49078" is still reading this thread. There has been much more discussion on washers than was originally asked.
If we are now talking about "value added" and "quality", neither is a result of orienting a flat washer a certain way. If the Assembler must inspect and be aware, (and in...
intentsly: Flatwasher really doesn't matter which side is down (except maybe appearance). If you want more contact-area use a larger washer. I don't think the shape of the washer is a design-intent, but a result of fabricating the washer itself.
Oh yeah...to respond to intentsly: The cross sectional shape of the flat washer is more likely a result of the way it's manufactured not design-intent. I don't believe it makes any difference which side is up. Think about using a fender washer if you want to cover more surface under the...
Spring Lockwashers become flat and have NO grip when the hardware is properly torqued. I agree with people who say they are somewhat worthless in keeping a nut or screw from "coming loose". My opinion is that they may (may) help the nut from falling off after it becomes loose, but I don't like...
