--- title: "Stainless Steel Half Thread U-Bolt with Nut for Structural Fastening" description: "Stainless Steel Half Thread U-Bolt with Nut for Structural Fastening — U-Bolts & J-Bolts. MOQ 1 piece, US$0.084 – 3.91." url: https://engineeringhardware.com/product/stainless-steel-half-thread-u-bolt-with-nut-for-structural-fastening/ source: Engineering Hardware & Fasteners --- # Stainless Steel Half Thread U-Bolt with Nut for Structural Fastening [![Stainless Steel Half Thread U-Bolt with Nut for Structural Fastening](https://img.engineeringhardware.com/Stainless-Steel-Half-Thread-U-Bolt-with-Nut-for-Structural-Fastening.webp)](https://img.engineeringhardware.com/Stainless-Steel-Half-Thread-U-Bolt-with-Nut-for-Structural-Fastening.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-half-thread-u-bolt-with-nut-for-structural-fastening.md) Model no. **UTT81 Ubolt** US$0.084 – 3.91 / piece MOQ 1 piece · Final price confirmed in your quote - **Material:** Stainless Steel - **Standard:** Standard - **Surface Treatmen:** Galvanized - **Pipe Diameter Compatibility:** DN20~DN200 - **Head Type:** Hexagon - **Thread Size:** M6-M22 - **Material Grade:** Grade 4.8/6.8/8.8 - **Package Size:** 35.00cm * 35.00cm * 30.00cm 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%20Half%20Thread%20U-Bolt%20with%20Nut%20for%20Structural%20Fastening%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-half-thread-u-bolt-with-nut-for-structural-fastening%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 | | Usage | Heavy Duty Clamp, Pipe Clamp | | Model NO. | UTT81 Ubolt | | Structure | U-Shaped Bend + Threaded at Both Ends | | Standard | Standard | | Condition | New | | Surface Treatmen | Galvanized | | Pipe Diameter Compatibility | DN20~DN200 | | Main Application | Pipeline Fixation | | Head Type | Hexagon | | Thread Size | M6-M22 | | Material Grade | Grade 4.8/6.8/8.8 | | Transport Package | Carton+Pallet/Wooden Case | | Specification | 1/2''~12'' | | Origin | China | | HS Code | 7318159090 | | Production Capacity | 100000 | | Package Size | 35.00cm * 35.00cm * 30.00cm | | Package Gross Weight | 21.450kg | | Lead Time | 1 days (1 - 100 Pieces) 3 days (101 - 300 Pieces) 5 days (301 - 500 Pieces) To be negotiated ( > 500 Pieces) | | Function | Designed as a support, guide, or anchor for heavy loads. | | Size | 1/2" Thru 8" | | Finish | Zinc Plate. | | Anti-Rust & Corrosion Resistant | Electro galvanized/hot dip galvanized surface treatment forms a dense protective layer, effectively resisting erosion from humid and acid-base environments, extending service life, suitable for indoor and outdoor use; | | High Strength Load Bearing | Made of high-quality carbon steel, optional strength grade 4.8/8.8, good toughness and strong tensile resistance, meeting the fastening requirements of heavy-load scenarios; | | Complete Specifications & Customizable | Support multiple diameters from M6 to M22, U inner diameter suitable for DN15-DN600 full series pipes, length, material and surface treatment can be customized according to customer drawings/samples; | | Easy & Efficient Installation | Equipped with hex nuts, no complex tools needed, quickly complete the fixed installation of pipes, rods and trailer components, improving construction efficiency; | | Stable & Compliant Quality | Strictly produced in accordance with GB/DIN/ANSI standards, full-process quality inspection to ensure product accuracy and strength meet industrial standards, and provide quality inspection reports. | | Pipeline Engineering | Fixing and hoisting of water supply, drainage, fire protection, HVAC and chemical pipelines; | | Vehicle Modification | Fixing of suspension system and transmission shaft for automobiles, trailers and trucks; | | Construction Engineering | Steel structure connection, embedded U-bolt, scaffold fixation; | | Other Fields | Fastening connection for ships, power facilities, mechanical equipment, photovoltaic brackets. | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | Model | Size | M | L±2.8 | D±2.8 | A±1.5 | | --- | --- | --- | --- | --- | --- | | UTT81 | 12" | M22(7/8") | 244 | 327 | 100 | | M20(3/4') | 216 | 70 | | | | | UTT81 | 10" | M20(3/4") | 213 | 276 | 100 | | M16(5/8") | 184 | 64 | | | | | M12(1/2") | 184 | 62 | | | | | UTT81 | 8" | M16(5/8") | 181 | 223 | 85 | | M12(1/2") | 154 | 57 | | | | | UTT81 | 6" | M16(5/8") | 156 | 171 | 85 | | M12(1/2") | 129 | 57 | | | | | UTT81 | 5" | M12(1/2") | 127 | 143 | 76 | | M10(3/8") | 116 | 57 | | | | | UTT81 | 4" | M12(1/2") | 114 | 116 | 76 | | M10(3/8") | 96 | 51 | | | | | UTT81 | 3" | M12(1/2") | 102 | 91 | 76 | | M10(3/8") | 86 | 51 | | | | | UTT81 | 2-1/2" | M12(1/2") | 95 | 78 | 76 | | M10(3/8") | 78 | 51 | | | | | UTT81 | 2" | M10(3/8") | 83 | 62 | 64 | | M6(1/4") | 68 | 45 | | | | | UTT81 | 1-1/2" | M10(3/8") | 76 | 50 | 64 | | M6(1/4") | 52 | 45 | | | | | UTT81 | 1-1/4" | M10(3/8") | 73 | 44 | 64 | | M6(1/4") | 60 | 45 | | | | | UTT81 | 1" | M10(3/8") | 68 | 35 | 50 | | M6(1/4") | 56 | 45 | | | | | UTT81 | 3/4" | M10(3/8") | 63 | 28 | 50 | | M6(1/4") | 52 | 45 | | | | | UTT81 | 1/2" | M10(3/8") | 54 | 22.2 | 50 | | M6(1/4") | 50 | 45 | | | | ## Description Stainless Steel Half Thread U-Bolt with Nut for Structural Fastening is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Standard:** Standard - **Material:** Stainless Steel - **Size:** 1/2" Thru 8" - **Thread Size:** M6-M22 - **Head Type:** Hexagon - **Finish:** Zinc Plate. - **Usage:** Heavy Duty Clamp, Pipe Clamp - **Structure:** U-Shaped Bend + Threaded at Both Ends Available configurations include material, standard, surface treatmen, pipe diameter compatibility and head type. 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$0.084 – 3.91 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 Half Thread U-Bolt with Nut for Structural Fastening? The listed minimum order is 1 piece, at US$0.084 – 3.91 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 Half Thread U-Bolt with Nut for Structural Fastening? Standard: Standard; Material: Stainless Steel; Size: 1/2" Thru 8"; Thread Size: M6-M22; Head Type: Hexagon; Finish: Zinc Plate.. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, standard, surface treatmen, pipe diameter compatibility and head type. 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/) [![DIN 3570 Stainless Steel 304 316 Square Flat U Bolt for Construction](https://img.engineeringhardware.com/DIN-3570-Stainless-Steel-304-316-Square-Flat-U-Bolt-for-Construction.webp)](https://engineeringhardware.com/product/din-3570-stainless-steel-304-316-square-flat-u-bolt-for-construction/) U-Bolts & J-Bolts ### [DIN 3570 Stainless Steel 304 316 Square Flat U Bolt for Construction](https://engineeringhardware.com/product/din-3570-stainless-steel-304-316-square-flat-u-bolt-for-construction/) U Bolt · DIN, ANSI, GB, JIS, BSW, GOST **US$0.096 – 0.14**MOQ 3,000 pieces [![Hot DIP Galvanized DIN 741 U-Bolt Clamps-Rustproof Cable Grips for Marine / Offshore Wire Rope 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