A flange nut provides a built-in washer (flange) that distributes the clamping load more than a broader space than a regular lock nut. The look would not demand a flat washer and is particularly the greater choice for an oversized or slotted hole. Chrome Plated is often a hugely corrosion-resistant https://halled936wdi7.bloggazza.com/27735356/flange-nut-secrets