--- title: "Large Diameter Curved U-Bolt for Trailer Leaf Springs" description: "Large Diameter Curved U-Bolt for Trailer Leaf Springs — U-Bolts & J-Bolts. Material: Stainless Steel, Standard: DIN. MOQ 100 pieces, US$0.12 – 0.24." url: https://engineeringhardware.com/product/large-diameter-curved-u-bolt-for-trailer-leaf-springs/ source: Engineering Hardware & Fasteners --- # Large Diameter Curved U-Bolt for Trailer Leaf Springs [![Large Diameter Curved U-Bolt for Trailer Leaf Springs](https://img.engineeringhardware.com/Large-Diameter-Curved-U-Bolt-for-Trailer-Leaf-Springs.webp)](https://img.engineeringhardware.com/Large-Diameter-Curved-U-Bolt-for-Trailer-Leaf-Springs.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/large-diameter-curved-u-bolt-for-trailer-leaf-springs.md) Model no. **U-bolts** | **US$0.24**100–9,999 pieces | **US$0.12**10,000+ pieces | | --- | --- | MOQ 100 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN - **Grade:** 10.9 - **Finish:** Hot Galvanizing - **Coating:** HDG ≥85μm, Salt Spray Resistant - **Package Size:** 20.00cm * 20.00cm * 20.00cm - **Standard type:** Can be directly connected with ball eyes or U-shaped links. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Large%20Diameter%20Curved%20U-Bolt%20for%20Trailer%20Leaf%20Springs%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Flarge-diameter-curved-u-bolt-for-trailer-leaf-springs%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | Material | Stainless Steel | | Type | Reinforced U-Bolt | | Model NO. | U-bolts | | Connection | Bolted Connection | | Head Style | Round | | Standard | DIN | | Grade | 10.9 | | Application | Chemical Industry, Environmental | | Finish | Hot Galvanizing | | Coating | HDG ≥85μm, Salt Spray Resistant | | Breaking Load | 1.5-2X Standard U-Bolt | | Customizable | OEM | | Advantage | Higher Carrying Capacity | | Transport Package | Standard Export Carton + Wooden Pallet | | Specification | M16, M20, M24 | | Origin | China | | Package Size | 20.00cm * 20.00cm * 20.00cm | | Package Gross Weight | 5.000kg | | Selection Note | Connector Compatibility | | Standard type | Can be directly connected with ball eyes or U-shaped links. | | Reinforced type (with flange collar) | Cannot work with conventional ball eyes. It must be used with elongated oval ball eyes or U-shaped links for transition connection. | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | Catalog No. | Main dimensions(mm) | Specified Failure Load(kN) | Weight(kg) | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | C | M | H1 | H2 | X | Y | Z | | | UJ-1880 | 80 | 18 | 105 | 50 | 18 | 5.3 | 35 | 0.85 | | UJ-2080 | 80 | 20 | 120 | 60 | 24 | 7.4 | 47 | 1.1 | | UJ-2280 | 80 | 22 | 127 | 65 | 28 | 10.8 | 57 | 1.4 | ## Description Large Diameter Curved U-Bolt for Trailer Leaf Springs is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Type:** Reinforced U-Bolt - **Standard:** DIN - **Material:** Stainless Steel - **Grade:** 10.9 - **Head Style:** Round - **Finish:** Hot Galvanizing - **Connection:** Bolted Connection - **Application:** Chemical Industry, Environmental Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$0.12 – 0.24 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for Large Diameter Curved U-Bolt for Trailer Leaf Springs? The listed minimum order is 100 pieces, at US$0.12 – 0.24 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.24 for 100–9,999 pieces; US$0.12 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Large Diameter Curved U-Bolt for Trailer Leaf Springs? Type: Reinforced U-Bolt; Standard: DIN; Material: Stainless Steel; Grade: 10.9; Head Style: Round; Finish: Hot Galvanizing. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, grade and finish. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other u-bolts & j-bolts are available? The U-Bolts & J-Bolts category lists 2,391 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All U-Bolts & J-Bolts →](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) [![Hot DIP Galvanized U-Bolt for Pipeline Fixing Support](https://img.engineeringhardware.com/Hot-DIP-Galvanized-U-Bolt-for-Pipeline-Fixing-Support.webp)](https://engineeringhardware.com/product/hot-dip-galvanized-u-bolt-for-pipeline-fixing-support/) U-Bolts & J-Bolts ### [Hot DIP Galvanized U-Bolt for Pipeline Fixing Support](https://engineeringhardware.com/product/hot-dip-galvanized-u-bolt-for-pipeline-fixing-support/) Round Head · DIN, ANSI, GB, JIS **US$0.012 – 0.48**MOQ 1,000 pieces [![Multi-Pecification Carbon Steel Wire Rope Clip U Bolt Cable Clamp for Rope 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