A flange nut offers a built-in washer (flange) that distributes the clamping load over a broader location than an everyday lock nut. The design would not demand a flat washer and is also the greater choice for an oversized or slotted hole. Luka Kusic Up-to-date on July nine, 2023 Wheel https://lt1101isw-pbf10853.full-design.com/5-essential-elements-for-step-bolt-71483788