![]() If you want to use just a flat washer.call for it, if you want lock washer first then flat.say so, IF YOU WANT FOUR WASHERS STACKED UNDER THE NUT.OK! There are situations for any scenario. Why beat this anymore? Just call for the components on the BOM and your job is done. Functionally it is the same.appearance is negligible. If the Assembler must inspect and be aware, (and in worst case disassemble and reassemble) because someone wants a washer-radius out instead of in this does NOT add value to the mechanism/assembly. If we are now talking about "value added" and "quality", neither is a result of orienting a flat washer a certain way. ![]() There has been much more discussion on washers than was originally asked. I hope that "49078" is still reading this thread. Pembroke Pines, FL, USA RE: washer selection intentsly (Mechanical) 28 Apr 06 23:15 Really fussy individuals just buy better washers with less of a die break burr. ![]() Similarly fussy individuals might wish to install washers the exact opposite way, so as to not cut through whatever paint film or wood lies under the washer. of the washer is usually radiused on the same face, and a washer installed with the radiused face out is less likely to slice flesh that comes into accidental contact with it. ![]() In my own personal work, where assembly time is not an issue, I prefer to put the radiused face of the washer under the bolt head, not because of anything to do with the bolt, but because the o.d. Hardened washers are an obvious exception, and are nearly always chamfered on the i.d. ![]() Even if that were not true, bolt heads are hard relative to flat washers, and can easily form the washer to a shape complementary to their own fillet. allows room for the fillet under the bolt head. The clearance between the bolt shank and the washer i.d. ![]()
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