A flange nut gives a crafted-in washer (flange) that distributes the clamping load about a wider place than a regular lock nut. The design would not require a flat washer and is the higher choice for an outsized or slotted gap. AFT provides a wide selection of metric and regular https://theodorel837ahp9.iyublog.com/27877573/flange-bolts-things-to-know-before-you-buy