--- title: "Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component" description: "Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer… — Disc Spring & Belleville Washers." url: https://engineeringhardware.com/product/industrial-grade-din9250-carbon-steel-double-fold-self-locking-spring-belleville/ source: Engineering Hardware & Fasteners --- # Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component [![Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component](https://img.engineeringhardware.com/Industrial-Grade-DIN9250-Carbon-Steel-Double-Fold-Self-Locking-Spring-Belleville-Washer-Industrial-Fastening-Component.webp)](https://img.engineeringhardware.com/Industrial-Grade-DIN9250-Carbon-Steel-Double-Fold-Self-Locking-Spring-Belleville-Washer-Industrial-Fastening-Component.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Disc Spring & Belleville Washers](https://engineeringhardware.com/fastener-products/washers/disc-spring-belleville-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/industrial-grade-din9250-carbon-steel-double-fold-self-locking-spring-belleville.md) | **US$0.36**10,000–999,999 pieces | **US$0.036**1,000,000+ pieces | | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Testing Standard:** ISO 9001 - **Standard:** DIN,ASTM/ANSI JIS En ISO,as,GB - **Class/Grade:** 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 - **Surface Treatment:** Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H - **Packing:** Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Industrial%20Grade%20DIN9250%20Carbon%20Steel%20Double%20Fold%20Self%20Locking%20Spring%20Belleville%20Washer%20Industrial%20Fastening%20Component%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Findustrial-grade-din9250-carbon-steel-double-fold-self-locking-spring-belleville%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 | Belleville Washer | | Material | Carbon Steel | | Combination Washer Structure | A Type | | Combination Washer Packaging | All Inclusive | | Spring Washer Type | Standard | | Testing Standard | ISO 9001 | | Standard | DIN,ASTM/ANSI JIS En ISO,as,GB | | Class/Grade | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | | Surface Treatment | Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H | | Transport Package | Carton and Pallet | | Specification | M3-M60; Customized | | Origin | China | | HS Code | 731822 | | Production Capacity | 500 Tons/Month | | Packing | Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed. | | Delivery | 1. Express such as FedEX/ DHL/ UPS/ TNT for samples. | | Category | [Disc Spring & Belleville Washers](https://engineeringhardware.com/fastener-products/washers/disc-spring-belleville-washers/) | ## Technical parameters | Products Name | Washer | | --- | --- | | Standards | DIN 125A; DIN9021; DIN440; DIN126; DIN433; ASTM USS &SAE; F436; JIS; ASME, GB | | Surface Treatment | Plain/ Self Color (S/C); Polished; Zinc Plated (ZP); Zinc Yellow (Y2P)Zinc CR 3+; Oxide Black; HDG (Hot Dip Galvanized); Nickel PlatedPhosphated ; Mechanical Galvanized; Dacromet; Geomet; Zinc Nickel Alloy Plated;Tin Plated | | Material | Carbon Steel | | Size | M 3-M60; Customized | | Hardness | Grade 4.8/ 6.8/ 8.8/10.9/12.9; Q235 (90-200HV); #45 (1045); #60; 38-45HRC ( above 300HV) | | Heat Treatment | Tempering; Hardening; Spheroidizing; Stress Relieving. | | Avaliable Packing | Bulk in cartons +wood Pallet or according to customer special demand | | Application | Mechanical Manufacturing, Automobiles, Construction | | Delivery Method | By sea/ By air/ By express | ## Description Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component is part of our disc spring & belleville washers range (Washers). ### Key details - **Type:** Belleville Washer - **Standard:** DIN,ASTM/ANSI JIS En ISO,as,GB - **Material:** Carbon Steel - **Surface Treatment:** Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H - **Combination Washer Structure:** A Type - **Combination Washer Packaging:** All Inclusive - **Spring Washer Type:** Standard - **Testing Standard:** ISO 9001 Available configurations include material, testing standard, standard, class/grade and surface treatment. 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$0.036 – 0.36 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 Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component? The listed minimum order is 10,000 pieces, at US$0.036 – 0.36 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$0.36 for 10,000–999,999 pieces; US$0.036 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 Industrial Grade DIN9250 Carbon Steel Double Fold Self Locking Spring Belleville Washer Industrial Fastening Component? Type: Belleville Washer; Standard: DIN,ASTM/ANSI JIS En ISO,as,GB; Material: Carbon Steel; Surface Treatment: Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H; 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, testing standard, standard, class/grade and surface treatment. 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 disc spring & belleville washers are available? The Disc Spring & Belleville Washers category lists 414 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/disc-spring-belleville-washers/](https://engineeringhardware.com/fastener-products/washers/disc-spring-belleville-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 & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Disc Spring & Belleville Washers →](https://engineeringhardware.com/fastener-products/washers/disc-spring-belleville-washers/) [![Standard Bolted Connection Application High Load Stability DIN 6796 Conical Spring Washers Mechanical Fastener](https://img.engineeringhardware.com/Standard-Bolted-Connection-Application-High-Load-Stability-DIN-6796-Conical-Spring-Washers-Mechanical-Fastener.webp)](https://engineeringhardware.com/product/standard-bolted-connection-application-high-load-stability-din-6796-conical-spring/) Disc Spring & Belleville Washers ### [Standard Bolted Connection Application High Load Stability DIN 6796 Conical Spring Washers Mechanical Fastener](https://engineeringhardware.com/product/standard-bolted-connection-application-high-load-stability-din-6796-conical-spring/) Belleville Washer · DIN,ASTM/ANSI JIS En ISO,as,GB **US$0.036 – 0.36**MOQ 10,000 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