Hot-dip Galvanized Zinc Square U Bolt Kit for Boat Trailer Axle Leaf Springs, for 2x2 Axle - 4 3/4" Long,2 inch Wide Square U-Bolts with Nuts and Frame Plate for Trailer Automobiles Trailer.

Product incluede: (8) Hot-dip galvanized Ubolts, (16) Hot-dip galvanized nuts, (16) Hot-dip galvanized flat washers , (16) Hot-dip galvanized lock washers, (4) mounting plates | Stronger corrosion resistance and longer service lifeIn suburban areas, standard hot-dip galvanising protection can last for more than 20 years without maintenance. In urban or offshore areas, hot-dip galvanising protection can last up to 10 years. Electro-galvanised products last only 1-2 years. | Square U bolt size is 1/2 inch (Approx. 13mm) diameter x 2-1/8 (Approx. 54mminch) inside width x 4-3/4 inch (Approx. 121mm) inside length.In order to provide a more stable fixing, the fixing plate thickness is specially designed to be 0.23 inch (Approx. 60mm) .Specifically designed to fit around a 2x2 boat trailer axle, Fully adjustable u-bolts to meet your specific needs. Product tolerance 0.8mm | Simple and easy inspection: hot-dip zinc layers can be tested visually and with a simple non-destructive coating thickness chart, ensuring quality and reliability | Wider range of applicationsHot-dip galvanising is good for use in strong acids and alkali mists. It is suitable for highway fences, power pylons and other objects that require long-term rust prevention. Electro-galvanising is mainly used for small indoor objects