--- title: "High Precision Round Spring Washers (HS-SW-0031)" description: "High Precision Round Spring Washers (HS-SW-0031) — Spring & Split Lock Washers. Material: Stainless Steel, Size: M3 up to M56. MOQ 10,000 pieces, US$0.09." url: https://engineeringhardware.com/product/high-precision-round-spring-washers-hs-sw-0031/ source: Engineering Hardware & Fasteners --- # High Precision Round Spring Washers (HS-SW-0031) [![High Precision Round Spring Washers (HS-SW-0031)](https://img.engineeringhardware.com/High-Precision-Round-Spring-Washers-HS-SW-0031.webp)](https://img.engineeringhardware.com/High-Precision-Round-Spring-Washers-HS-SW-0031.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/high-precision-round-spring-washers-hs-sw-0031.md) Model no. **HS-SW-0031** US$0.09 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Size:** M3 up to M56 - **Surface Treatment:** Nickel Plating - **Color:** Black, Yellow , Zinc Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High%20Precision%20Round%20Spring%20Washers%20%28HS-SW-0031%29%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-precision-round-spring-washers-hs-sw-0031%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 | | --- | --- | | Type | Flat Gasket | | Material | Stainless Steel | | Model NO. | HS-SW-0031 | | Combination Washer Structure | A Type | | Combination Washer Packaging | All Inclusive | | Spring Washer Type | Standard | | Size | M3 up to M56 | | Terms of Shipment | CIF, Fob, EXW | | Surface Treatment | Nickel Plating | | Transport Package | 1000PCS/Bag | | Specification | ISO9001-2008 | | Origin | Dongguan China | | HS Code | 7209189000 | | Production Capacity | 200tons/Month | | Washer Type | Flat | | Color | Black, Yellow , Zinc | | Category | [Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) | ## Technical parameters | Micro machining | Yes | | --- | --- | | Service | Drawings or sample processing | | Surface Finish | Nickel plating | | Precision processing | turning, milling, drilling, grinding, wire-EDM cutting etc | | Materials Available | Brass | | Thread | DIN, ANSI, ISO, JIS ,GB Standard | | QC (inspection everywhere ) | Technicians self-check in production | | MOQ | 1000pcs | | Pakage | PP bag,carton,or according customers' requirment | | Payment | T/T,50% as deposit,the balance need to be paid upon shipment. | | Delivery | 5-7days for smaples ,10-25days for products | | Shipment terms | As per customized specifications | | Description | High-quality, rich manufacturing experience | ## Description High Precision Round Spring Washers (HS-SW-0031) is part of our spring & split lock washers range (Washers). ### Key details - **Type:** Flat Gasket - **Material:** Stainless Steel - **Size:** M3 up to M56 - **Surface Treatment:** Nickel Plating - **Combination Washer Structure:** A Type - **Combination Washer Packaging:** All Inclusive - **Spring Washer Type:** Standard - **Terms of Shipment:** CIF, Fob, EXW Available configurations include material, size, surface treatment and color. 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$0.09 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 High Precision Round Spring Washers (HS-SW-0031)? The listed minimum order is 10,000 pieces, at US$0.09 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 High Precision Round Spring Washers (HS-SW-0031)? Type: Flat Gasket; Material: Stainless Steel; Size: M3 up to M56; Surface Treatment: Nickel Plating; Combination Washer Structure: A Type; Combination Washer Packaging: All Inclusive. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, size, surface treatment and color. 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 spring & split lock washers are available? The Spring & Split Lock Washers category lists 1,593 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) 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 Spring & Split Lock Washers →](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) [![Industrial High Tensile General DIN 127 ASME B18.21.2m φ2-φ100 Anti-Loosening Brass Spring Lock Washer 430-530hv for Bolts and Nuts Assembled](https://img.engineeringhardware.com/Industrial-High-Tensile-General-DIN-127-ASME-B18-21-2m-2-100-Anti-Loosening-Brass-Spring-Lock-Washer-430-530hv-for-Bolts-and-Nuts-Assembled.webp)](https://engineeringhardware.com/product/industrial-high-tensile-general-din-127-asme-b18-21-2m-2-100-anti-loosening-brass/) Spring & Split Lock Washers ### [Industrial High Tensile General DIN 127 ASME B18.21.2m φ2-φ100 Anti-Loosening Brass Spring Lock Washer 430-530hv for Bolts and Nuts Assembled](https://engineeringhardware.com/product/industrial-high-tensile-general-din-127-asme-b18-21-2m-2-100-anti-loosening-brass/) Spring 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