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Question:

Are there any positive and negative points on the flat washer?

For example, some people ask us to assemble the time zone of the flat washers of the positive and negative side, I would like to ask the installation of flat washers have positive and negative points? If yes, how to distinguish?

Answer:

From the use, do not distinguish between positive and negative. From the beautiful, bright flat surface, outward
In fact, the reason is very simple, smooth side in the beautiful, no corners in the next, the pressure is small, small damage to the workpiece.
Generally, but if the request is high, there is a round face near the nut.

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