Hyjoy 5-Pack Square Steel Bolts with Plates & Nuts — 1/2" D, 2-1/16" ID, 4-3/4" Depth — Fasteners for Automobiles, Ski Racks & Sailboat Fittings

Compact kit of heavy-duty square bolts from Hyjoy, supplied as a complete 5-pack with matching plates and nuts for immediate installation. Ideal for marine and automotive fastening where a square-beam or shaft clamp is required. Specifications: square bolts measure 1/2" in diameter, 2-1/16" in ID width, 4-3/4" in internal depth, with a thread length of 2.6 inch (refer to product images to confirm fit with your project). Construction and durability: these U-bolts are made from steel engineered for hardness and treated to resist rust and corrosion, providing long service life in salt water, fresh water, and coastal environments. Applications: designed to secure square beams and shafts on items such as marine trailers and motor boats; also suitable for wood, pipe, tube, plumbing and a range of industrial uses. Package contents: 5 square bolts, 5 plates and 10 nuts — all included to meet your installation needs. Customer support: if you have any questions or are dissatisfied with the product, please email us at any time and we will do our best to respond within 24 hours.