4 Sets 304 Stainless Steel Square U-Bolt Kits, Heavy Duty U-Bolt with Nuts,Flat and Lock Washers for Boat Trailers,Automobiles Trailers,Ski Boats,and Sailboat Trailers (1/2″ D x 3-1/16″ W x 4-5/16″ L)

About this item PACKAGE INCLUDES: This stainless steel u-bolts set includes 4pcs U-bolts 8pcs stainless steel hexagon nuts with lock ring 8pcs flat washers 8pcs lock washers. U BOLT SIZE: 1/2″ D x 3-1/16″ W x 4-5/16″ L, thread length: 2-1/2″. Square u bolts 2 inch wide for 3″ x 3″ square beams and shafts, please check the measurements carefully before ordering. STAINLESS U BOLTS MARINE: Square U-bolts for boat trailer are made of 304 stainless steel to make sure enough sturdy, weather resistant, rust and corrosion resistance even in wet environment. Each trailer u bolt can withstand 100LBS. WIDE APPLICATION: Our boat trailer accessories widely apply for boat trailers, ski boat, sailboat trailer, snowmobile, cars, outdoor bicycle hitch and other industrial applications. INSTALLATION GUIDE: Select the appropriate square U-bolt matching the tube size, drill connection holes, and secure with a nut and flat washer. For optimal installation, use a hand wrench or socket ratchet with lubricant to minimize wear. Avoid using impact tools or high-speed power drivers for tightening.