{"product_id":"5200-7000-lb-trailer-axle-u-bolt-kit-3-inch-round-grade-5","title":"5,200–7,000 lb Axles, Fits 3\" Round Axle, 9\/16\"-18 Thread  Grade 5 U-Bolt Kit –7” U-Bolts","description":"\u003cp\u003eSecure, Reliable, and Built to Last —TRAILER SUPPLIES U-Bolt Kits are built for strength, fit, and long-term durability. Designed to securely fasten your trailer’s leaf springs to 3\" round axles, this kit includes 7-inch U-bolts, Grade 5 nuts, and reinforced mounting plates—all precision-matched to support 5,200–7,000 lb trailer axles. \u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4 × U-Bolts – 7\" long, fits 3\" round axles, 9\/16\" thread\u003c\/li\u003e\n\u003cli\u003e2 × Mounting Plates – Reinforced design for even clamping\u003c\/li\u003e\n\u003cli\u003e8 × Grade 5 Hex Nuts\u003c\/li\u003e\n\u003cli\u003e8 × Lock Washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Compatibility:\u003c\/strong\u003e Fits 5,200–7,000 lb trailer axles with 3\" round tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Build:\u003c\/strong\u003e Grade 5 steel U-bolts for superior strength and vibration resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Mounting:\u003c\/strong\u003e Keeps leaf springs properly aligned to axle under heavy loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Zinc-plated finish resists rust, moisture, and road salt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Fit:\u003c\/strong\u003e OEM-level specifications for quick, accurate installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Replace U-bolts whenever installing a new axle or springs to maintain maximum clamping force\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal Use:\u003c\/strong\u003e Utility trailers, livestock haulers, RV trailers, equipment and flatbed trailers.\u003c\/p\u003e","brand":"TRAILER SUPPLIES","offers":[{"title":"Default Title","offer_id":46881117536485,"sku":"TS-PUBR9-FBM","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/0227\/7349\/files\/61ozb0QznbL.jpg?v=1751296305","url":"https:\/\/www.wtrailer.com\/products\/5200-7000-lb-trailer-axle-u-bolt-kit-3-inch-round-grade-5","provider":"Trailer Supplies","version":"1.0","type":"link"}