--- title: "Stainless Steel Square Curved U-Bolt" description: "Stainless Steel Square Curved U-Bolt — U-Bolts & J-Bolts. Material: Stainless Steel, Standard: DIN, ANSI, GB, JIS. MOQ 1 piece, US$0.012." url: https://engineeringhardware.com/product/stainless-steel-square-curved-u-bolt/ source: Engineering Hardware & Fasteners --- # Stainless Steel Square Curved U-Bolt [![Stainless Steel Square Curved U-Bolt](https://img.engineeringhardware.com/Stainless-Steel-Square-Curved-U-Bolt.webp)](https://img.engineeringhardware.com/Stainless-Steel-Square-Curved-U-Bolt.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/stainless-steel-square-curved-u-bolt.md) Model no. **HY-BOL004** US$0.012 / piece MOQ 1 piece · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS - **Grade:** 8.8 - **Finish:** Polishing - **Customized:** Support - **Package Size:** 24.00cm * 10.00cm * 12.00cm - **Ideal size:** The size of U-bolts includes 1-64 #, and you can choose the appropriate size according to your project Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Stainless%20Steel%20Square%20Curved%20U-Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-square-curved-u-bolt%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 | Material | Stainless Steel | | --- | --- | | Type | Round/U-Bolt | | Connection | Common Bolt | | Model NO. | HY-BOL004 | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS | | Grade | 8.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Polishing | | MOQ | 5000 | | Sample | Support | | Customized | Support | | Inventory Qty | 500K | | Transport Package | Tray+Carton | | Specification | All sizes | | Origin | China | | HS Code | 7616100000 | | Production Capacity | 1000 Tons/Year | | Package Size | 24.00cm * 10.00cm * 12.00cm | | Package Gross Weight | 0.300kg | | The entire set includes | the product includes 1 U-bolt, 1 plate, 2 nuts, and 2 washers | | Ideal size | The size of U-bolts includes 1-64 #, and you can choose the appropriate size according to your project | | Rust prevention | Our U-bolts are made of steel and have a galvanized surface, making them rust proof, corrosion-resistant, and wear-resistant; Nuts and washers are also made of durable materials to ensure long-term use | | Versatile Application | our U bends can be applied to fasten or attach locking parts to pipes, wood, and other materials; This product is ideal for DIY enthusiasts, contractors, and anyone who needs reliable and secure fastening | | The main production standards are | DIN, ANSI, BS, ISO, JIS, GB, UNI and other standards, as well as non-standard products: Materials involved: Carbon steel, alloy steel, stainless steel, copper, nylon, etc. The product category includes various screws, bolts, nuts and other accessories. | | For standard part | Material/Quantity/Size/Surface Treatment; | | For Non-standard part | We just require drawings or samples for production. | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | A: We are the 100% manufacturer with more than 15 years of experience in fastener and Hardware. | | --- | | A: For standard part: Material/Quantity/Size/Surface Treatment; For Non-standard part: We just require drawings or samples for production. | | A: We are responsible for quality control not only of the production line, but also of the entire ready-made order. Each order needs to be inspected in detail before shipment. | | A: We will provide samples free of charges, you only need to bear the freight. If you want to customize the samples, you need to pay the proofing fee. | | A: The sample production date is 7 days, and the mass production date is 15 days, which will be confirmed based on the formal order.(depending on Product & Quantity) | | A:We can choose DHL, Fedex, UPS, as well as sea or air transportation. | | A: Our payment terms are usually 30% T.T deposit in advance and 70% balance before shipment. | | A: Yes, but the minimum order quantity requirements are different for different models. Please feel free to contact us with drawings of the products, such as color and material. | | A: Yes, we can provide OEM and ODM. If you can't find the products you need in our website, you can send pictures/photos and drawings of the products you need by email, or you can send us samples by DHL/UPS, then we can develop new models for you | ## Description Stainless Steel Square Curved U-Bolt is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Type:** Round/U-Bolt - **Standard:** DIN, ANSI, GB, JIS - **Material:** Stainless Steel - **Grade:** 8.8 - **Head Style:** Round - **Finish:** Polishing - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building 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 1 piece at US$0.012 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 Stainless Steel Square Curved U-Bolt? The listed minimum order is 1 piece, at US$0.012 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Stainless Steel Square Curved U-Bolt? Type: Round/U-Bolt; Standard: DIN, ANSI, GB, JIS; Material: Stainless Steel; Grade: 8.8; Head Style: Round; Finish: Polishing. 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 & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or 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/) [![Steel U-Bolt Cable Connecting Wire Rope Clip](https://img.engineeringhardware.com/Steel-U-Bolt-Cable-Connecting-Wire-Rope-Clip.webp)](https://engineeringhardware.com/product/steel-u-bolt-cable-connecting-wire-rope-clip/) U-Bolts & J-Bolts ### [Steel U-Bolt Cable Connecting Wire Rope Clip](https://engineeringhardware.com/product/steel-u-bolt-cable-connecting-wire-rope-clip/) Standard · Carbon Steel, Metal **US$0.0107 – 0.0318**MOQ 100 pieces [![Hot DIP Galvanized/Zinc Plated Q-7u W-7A U-1680 Assembly U-Bolt Socket Eye Clevis](https://img.engineeringhardware.com/Hot-DIP-Galvanized-Zinc-Plated-Q-7u-W-7A-U-1680-Assembly-U-Bolt-Socket-Eye-Clevis.webp)](https://engineeringhardware.com/product/hot-dip-galvanized-zinc-plated-q-7u-w-7a-u-1680-assembly-u-bolt-socket-eye-clevis/) 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