--- title: "A2-70 A4-80 M16 Retaining Rings DIN471" description: "A2-70 A4-80 M16 Retaining Rings DIN471 — Spiral, Snap & Specialty Retaining Rings. MOQ 10,000 pieces, US$0.006 – 0.036." url: https://engineeringhardware.com/product/a2-70-a4-80-m16-retaining-rings-din471/ source: Engineering Hardware & Fasteners --- # A2-70 A4-80 M16 Retaining Rings DIN471 [![A2-70 A4-80 M16 Retaining Rings DIN471](https://img.engineeringhardware.com/A2-70-A4-80-M16-Retaining-Rings-DIN471.webp)](https://img.engineeringhardware.com/A2-70-A4-80-M16-Retaining-Rings-DIN471.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Retaining Rings & Locking Hardware › Spiral, Snap & Specialty Retaining Rings](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/spiral-snap-specialty-retaining-rings/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/a2-70-a4-80-m16-retaining-rings-din471.md) | **US$0.036**10,000–49,999 pieces | **US$0.012**50,000–999,999 pieces | **US$0.006**1,000,000+ pieces | | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Standard:** DIN471 - **Size:** M5-M45 - **Surface:** Plain, Polishing ,Black, Passivation, - **Finish:** Plain, Galvanzied, Passivation ,HDG,Nickel Plated - **Material:** Stainless Steel - **Surface Finishing:** Polishing Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A2-70%20A4-80%20M16%20Retaining%20Rings%20DIN471%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa2-70-a4-80-m16-retaining-rings-din471%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 | Certification | ISO | | --- | --- | | Standard | DIN471 | | Sample | Free | | Shipment | 7-25days | | Package | Caton+Pallet | | Supply Ability | 100ton/Month | | OEM | as The Drawing | | Size | M5-M45 | | Surface | Plain, Polishing ,Black, Passivation, | | Finish | Plain, Galvanzied, Passivation ,HDG,Nickel Plated | | Transport Package | Caton +Pallet | | Specification | ASTM, DIN, ANSI, ISO etc. | | Origin | Zhejiang, China | | HS Code | 73181600 | | Production Capacity | 100t/Month | | Customization | Available | | Material | Stainless Steel | | Surface Finishing | Polishing | | BOLT | DIN928,DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect | | Nut | DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect | | Rod | threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect | | Screw | hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect | | washer | flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer ect | | Category | [Spiral, Snap & Specialty Retaining Rings](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/spiral-snap-specialty-retaining-rings/) | ## Technical parameters | Name | A2-70 A4-80 M16 Retaining Rings DIN471 | | --- | --- | | Place of O rigin | Zhejiang, China | | Grade | S316.S304,B7,B7M,B8,B8Metc. | | Standards | GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc | | Material | stainless steel,Carbon Steel | | Surface | Plain, Polishing ,Black, Passivation, | | Shape | hex nut | | Delivery | Within 15-30 days after confirm the order. | | Package | Standard export packing or according to customers' requirement | | Payment | L/C or T/T (30% in advance and 70% against the copy of BL) | | Non-standards | OEM is available if you provide a drawing or sample. | | Samples | Samples are free. | ## Description A2-70 A4-80 M16 Retaining Rings DIN471 is part of our spiral, snap & specialty retaining rings range (Retaining Rings & Locking Hardware). ### Key details - **Standard:** DIN471 - **Material:** Stainless Steel - **Size:** M5-M45 - **Finish:** Plain, Galvanzied, Passivation ,HDG,Nickel Plated - **Certification:** ISO - **Shipment:** 7-25days - **Supply Ability:** 100ton/Month - **OEM:** as The Drawing Available configurations include standard, size, surface, finish and material. 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$0.006 – 0.036 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 A2-70 A4-80 M16 Retaining Rings DIN471? The listed minimum order is 10,000 pieces, at US$0.006 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.012 for 50,000–999,999 pieces; US$0.006 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of A2-70 A4-80 M16 Retaining Rings DIN471? Standard: DIN471; Material: Stainless Steel; Size: M5-M45; Finish: Plain, Galvanzied, Passivation ,HDG,Nickel Plated; Certification: ISO; Shipment: 7-25days. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, size, surface, finish and material. 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 spiral, snap & specialty retaining rings are available? The Spiral, Snap & Specialty Retaining Rings category lists 248 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/spiral-snap-specialty-retaining-rings/](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/spiral-snap-specialty-retaining-rings/) 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 Spiral, Snap & Specialty Retaining Rings →](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/spiral-snap-specialty-retaining-rings/) [![Sany Retaining Ring 11608492 Wide-Body Dump Truck Components 8X4 Skt160s](https://img.engineeringhardware.com/Sany-Retaining-Ring-11608492-Wide-Body-Dump-Truck-Components-8X4-Skt160s.webp)](https://engineeringhardware.com/product/sany-retaining-ring-11608492-wide-body-dump-truck-components-8x4-skt160s/) Spiral, Snap & Specialty Retaining Rings ### [Sany Retaining Ring 11608492 Wide-Body Dump Truck Components 8X4 Skt160s](https://engineeringhardware.com/product/sany-retaining-ring-11608492-wide-body-dump-truck-components-8x4-skt160s/) **US$72.00 – 82.80**MOQ 1 piece [![DIN472/JIS B 2804/Uni 7437/ANSI B 27.7/GB893 Manganese/Stainless Steel with Black Zinc Retaining Rings for 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Core](https://img.engineeringhardware.com/60mm-Precision-Retaining-Ring-with-Stainless-Steel-Bearing-Core.webp)](https://engineeringhardware.com/product/60mm-precision-retaining-ring-with-stainless-steel-bearing-core/) Spiral, Snap & Specialty Retaining Rings ### [60mm Precision Retaining Ring with Stainless Steel Bearing Core](https://engineeringhardware.com/product/60mm-precision-retaining-ring-with-stainless-steel-bearing-core/) Customized · 800*1200/1000*1200/1100*1100/1200*1000,etc. **US$0.096 – 0.12**MOQ 5,000 sets [![a Retaining Ring Installed at The Shaft End of The Rolling Mill Roll Made of Seamless Steel Pipe](https://img.engineeringhardware.com/a-Retaining-Ring-Installed-at-The-Shaft-End-of-The-Rolling-Mill-Roll-Made-of-Seamless-Steel-Pipe.webp)](https://engineeringhardware.com/product/a-retaining-ring-installed-at-the-shaft-end-of-the-rolling-mill-roll-made-of/) Spiral, Snap & Specialty Retaining Rings ### [a Retaining Ring Installed at The Shaft End of The Rolling Mill Roll Made of Seamless Steel Pipe](https://engineeringhardware.com/product/a-retaining-ring-installed-at-the-shaft-end-of-the-rolling-mill-roll-made-of/) Seamless Steel Pipe · Metal Cutting Machine, Metal Processing Machiner… **US$47.40 – 142.80**MOQ 2 pieces **US$0.006 – 0.036**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20A2-70%20A4-80%20M16%20Retaining%20Rings%20DIN471%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fa2-70-a4-80-m16-retaining-rings-din471%2F)