--- title: "Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set" description: "Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set — Assortment Kits & Mixed Fastener Sets. MOQ 100 pieces, US$0.0012 – 0.0024." url: https://engineeringhardware.com/product/flat-washer-assorted-metal-o-rings-kit-sealing-ring-set/ source: Engineering Hardware & Fasteners --- # Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set [![Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set](https://img.engineeringhardware.com/Flat-Washer-Assorted-Metal-O-Rings-Kit-Sealing-Ring-Set.webp)](https://img.engineeringhardware.com/Flat-Washer-Assorted-Metal-O-Rings-Kit-Sealing-Ring-Set.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/flat-washer-assorted-metal-o-rings-kit-sealing-ring-set.md) Model no. **7** US$0.0012 – 0.0024 / piece MOQ 100 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Package Size:** 30.00cm * 30.00cm * 30.00cm - **Size:** M2, M2.5, M3, M4, M5, M6, M8, M10, M12 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Washer%20Assorted%20Metal%20O-Rings%20Kit%20Sealing%20Ring%20Set%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-washer-assorted-metal-o-rings-kit-sealing-ring-set%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 | Type | Flat Gasket | | --- | --- | | Material | Stainless Steel | | Combination Washer Structure | A Type | | Model NO. | 7 | | Combination Washer Packaging | All Inclusive | | Spring Washer Type | Standard | | Transport Package | Carton | | Specification | customized | | Origin | China | | Production Capacity | 500, 000PCS/Year | | Package Size | 30.00cm * 30.00cm * 30.00cm | | Package Gross Weight | 5.000kg | | Parts List | 120 x M2 | | Product name | flat washers | | Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12 | | Category | [Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) | ## Description Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies). ### Key details - **Type:** Flat Gasket - **Material:** Stainless Steel - **Size:** M2, M2.5, M3, M4, M5, M6, M8, M10, M12 - **Combination Washer Structure:** A Type - **Combination Washer Packaging:** All Inclusive - **Spring Washer Type:** Standard - **Parts List:** 120 x M2 - **Product name:** flat washers Available configurations include material, package size and size. 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$0.0012 – 0.0024 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 Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set? The listed minimum order is 100 pieces, at US$0.0012 – 0.0024 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 Flat Washer Assorted Metal O-Rings Kit Sealing Ring Set? Type: Flat Gasket; Material: Stainless Steel; Size: M2, M2.5, M3, M4, M5, M6, M8, M10, M12; Combination Washer Structure: A Type; Combination Washer Packaging: All Inclusive; Spring Washer Type: Standard. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, package size and size. 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 assortment kits & mixed fastener sets are available? The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) 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 Assortment Kits & Mixed Fastener Sets →](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) [![DIN 912 Hex Socket Head Sems Screws with Flat Washer Spring Washer Combination](https://img.engineeringhardware.com/DIN-912-Hex-Socket-Head-Sems-Screws-with-Flat-Washer-Spring-Washer-Combination.webp)](https://engineeringhardware.com/product/din-912-hex-socket-head-sems-screws-with-flat-washer-spring-washer-combination/) Assortment Kits & Mixed Fastener Sets ### [DIN 912 Hex Socket Head Sems Screws with Flat Washer Spring Washer Combination](https://engineeringhardware.com/product/din-912-hex-socket-head-sems-screws-with-flat-washer-spring-washer-combination/) Round Head · DIN, GB, ANSI, JIS **US$0.0216 – 0.16**MOQ 10,000 pieces [![Stainless Steel Sleeve Expansion Bolt for HVAC Equipment Base Installation 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