--- title: "DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener" description: "DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Cla… — U-Bolts & J-Bolts. MOQ 10,000 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/din3570-full-thread-standard-size-stainless-steel-a2-70-u-bolt-headless-u-shape-pipe/ source: Engineering Hardware & Fasteners --- # DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener [![DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener](https://img.engineeringhardware.com/DIN3570-Full-Thread-Standard-Size-Stainless-Steel-A2-70-U-Bolt-Headless-U-Shape-Pipe-Clamp-Fastener.webp)](https://img.engineeringhardware.com/DIN3570-Full-Thread-Standard-Size-Stainless-Steel-A2-70-U-Bolt-Headless-U-Shape-Pipe-Clamp-Fastener.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/din3570-full-thread-standard-size-stainless-steel-a2-70-u-bolt-headless-u-shape-pipe.md) US$0.012 – 0.12 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Duplex Stainless Steel - **Head Style:** Headless U Shape - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** A2-70 / A4-80 Stainless Steel - **Customized:** Custom Size & Drawing Support - **Thread Specification:** Optional Full & Half Metric Thread - **Surface Treatment:** Passivation, Plain Finish - **Tolerance Grade:** ISO 2768-Mk General Dimensional Tolerance Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20DIN3570%20Full%20Thread%20Standard%20Size%20Stainless%20Steel%20A2-70%20U%20Bolt%20Headless%20U%20Shape%20Pipe%20Clamp%20Fastener%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdin3570-full-thread-standard-size-stainless-steel-a2-70-u-bolt-headless-u-shape-pipe%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 | Duplex Stainless Steel | | Type | U Shaped Bolt | | Groove | None / No Slot | | Connection | U Pipe Clamp Fastener | | Head Style | Headless U Shape | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | A2-70 / A4-80 Stainless Steel | | Customized | Custom Size & Drawing Support | | Drawing | Yes | | Application | Solar PV Bracket & Pipeline Fixing | | Process | CNC Cold Precision Bending Forming | | Service | OEM Available, ISO9001 Certified | | Thread Specification | Optional Full & Half Metric Thread | | Surface Treatment | Passivation, Plain Finish | | Tolerance Grade | ISO 2768-Mk General Dimensional Tolerance | | Corrosion Resistance | Anti-Corrosion Stainless Steel Series | | Knurl Specification | N/a, Smooth Bolt Surface Without Knurl | | Key Features | Smooth Surface, High Anti-Corrosion Performance | | Transport Package | Polybag+Export Strong Carton | | Specification | Metric M3-M64 | | Origin | China | | HS Code | 7318159090 | | Production Capacity | 100ton/Month | | Package Size | 30.00cm * 20.00cm * 20.00cm | | Package Gross Weight | 0.500kg | | Non-standard parts | 15-25days | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | Item | Details | | --- | --- | | Raw Material & Grade | SS304, SS316, SS316L, 2205 duplex stainless steel; strength grades A2-70, A4-70, A4-80 | | Size Range | Standard metric M3-M64; custom non-standard sizes supported per drawings or samples | | Applicable Standards | DIN3570, GB, ISO, ANSI/ASTM, BS, BSW, JIS, GOST | | Manufacturing Process | CNC cold precision bending forming, smooth surface without knurls | | Thread Option | Full metric thread or half metric thread optional | | Surface Finish | Plain original finish, passivation for enhanced anti-corrosion performance | | Dimensional Tolerance | Comply with ISO 2768-Mk general dimensional tolerance standard | | Structural Feature | Headless slot-free U shape, no protruded head for easy mounting | | Core Advantages | Excellent anti-corrosion, stable mechanical strength, high dimensional accuracy | | Main Application | Solar PV bracket installation, pipeline clamping & mechanical fixing | | Custom Service | OEM & ODM available, custom size, finish and packaging supported | | Quality Certification | ISO9001 certified, full pre-delivery inspection for all batches | | Sample Policy | Free standard samples, buyer only bears courier cost | | Origin | Jiaxing, Zhejiang, China | | Export Package | Polybag inside + export cartons on pallets, customizable packaging | | Payment Terms | Flexible terms including T/T and irrevocable L/C | ## Description DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Type:** U Shaped Bolt - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Duplex Stainless Steel - **Grade:** A2-70 / A4-80 Stainless Steel - **Head Style:** Headless U Shape - **Groove:** None / No Slot - **Surface Treatment:** Passivation, Plain Finish - **Connection:** U Pipe Clamp Fastener Available configurations include material, head style, standard, grade and customized. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.012 – 0.12 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 DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener? The listed minimum order is 10,000 pieces, at US$0.012 – 0.12 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 DIN3570 Full Thread Standard Size Stainless Steel A2-70 U Bolt Headless U Shape Pipe Clamp Fastener? Type: U Shaped Bolt; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Duplex Stainless Steel; Grade: A2-70 / A4-80 Stainless Steel; Head Style: Headless U Shape; Groove: None / No Slot. 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 customized. 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/) [![U Bolt and Nut Trailer Bent Bolt Stainless Steel U-Bolt for Truck](https://img.engineeringhardware.com/U-Bolt-and-Nut-Trailer-Bent-Bolt-Stainless-Steel-U-Bolt-for-Truck.webp)](https://engineeringhardware.com/product/u-bolt-and-nut-trailer-bent-bolt-stainless-steel-u-bolt-for-truck/) U-Bolts & J-Bolts ### [U Bolt and Nut Trailer Bent Bolt Stainless Steel U-Bolt for Truck](https://engineeringhardware.com/product/u-bolt-and-nut-trailer-bent-bolt-stainless-steel-u-bolt-for-truck/) U Bolt · DIN, GB, JIS **US$0.60 – 3.60**MOQ 500 pieces [![M6 M8 M10 M12 M14 M16 Stainless Steel 304 316 Pipe Claw DIN741 L J Hook Eye Type U Bolt Wire Rope 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