Collar nuts have a washer-like base to distribute pressure over a greater surface area and ensure the fastener stay tight. They are commonly used in manufacturing assembly lines where operations are speeded by using a single fastener instead of a nut and washer.
||All sizes available / customise
||M.S, "8", "10", "2H", "S", "R"
||Blackodise, White Zinc Plated, Yellow Zinc Plated, Hot Dip Galavnised