--- title: "Durable Hex Socket Screw with Spring and Flat Washers" description: "Durable Hex Socket Screw with Spring and Flat Washers — Socket Head Cap & Allen Screws. MOQ 10,000 pieces, US$0.06 – 0.12." url: https://engineeringhardware.com/product/durable-hex-socket-screw-with-spring-and-flat-washers/ source: Engineering Hardware & Fasteners --- # Durable Hex Socket Screw with Spring and Flat Washers [![Durable Hex Socket Screw with Spring and Flat Washers](https://img.engineeringhardware.com/Durable-Hex-Socket-Screw-with-Spring-and-Flat-Washers.webp)](https://img.engineeringhardware.com/Durable-Hex-Socket-Screw-with-Spring-and-Flat-Washers.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/durable-hex-socket-screw-with-spring-and-flat-washers.md) Model no. **Screw** US$0.06 – 0.12 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** High Strength Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 8.8 - **Finish:** Hot Galvanizing - **Package Size:** 25.00cm * 15.00cm * 10.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Durable%20Hex%20Socket%20Screw%20with%20Spring%20and%20Flat%20Washers%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdurable-hex-socket-screw-with-spring-and-flat-washers%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 | High Strength Steel | | Type | Hexagon Head | | Model NO. | Screw | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 8.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Hot Galvanizing | | Specification | M3, M4, M6, M8-M20 | | Origin | Tianjin | | HS Code | 7415290000 | | Production Capacity | 5000ton/Year | | Package Size | 25.00cm * 15.00cm * 10.00cm | | Package Gross Weight | 25.000kg | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Item | Details | | --- | --- | | Full Product Name | DIN 912 Socket Head Cap Screw with Spring Washer Assembly (Sem Screw) | | Material & Grade | Stainless Steel (SS304/316/2205/2507, Grade A2-70/A2-80/A4-70/A4-80) | | Standard Compliance | DIN 912, GB, ANSI, BSW, JIS, GOST, ISO | | Thread Types & Range | UNC/UNF (#2-3/4) / Metric (M2-M20), Length 3-200mm | | Head Configuration | Cylindrical / Cheese Head with Hexagon (Allen) Socket Drive | | Assembly Type | Pre-Assembled with Spring Washer (Anti-Loose) | | Surface Treatment Options | Plain, Passivated, Black Oxide, Zinc Plated (Yellow/Blue/White), Nickel Plated | | Dimensional Tolerance | Complies with ISO 2768 & DIN 912 standards | | Corrosion Resistance | Excellent anti-rust performance, suitable for indoor/outdoor and humid environments; higher-grade stainless steel options available for marine applications | | Key Features | DIN 912 compliant, high tensile strength, pre-assembled for easy installation, anti-loose design with spring washer, durable stainless steel construction | | Customization Service | Full customization available (thread type, length, material grade, surface treatment, packaging) | | Drawing Acceptance | Custom orders based on client technical drawings are fully supported | | Typical Applications | Machinery, industrial equipment, electronics, automotive, furniture assembly, electronic devices, anti-loose fastening solutions | | Manufacturing Process | Cold heading, thread rolling, heat treatment, surface coating, precision washer assembly | | OEM & ODM Support | Full OEM and ODM customization services, including custom packaging and labeling | | MOQ | 1000 pieces | | Sample Service | Free standard samples in stock (customer bears freight cost; custom samples subject to tooling fee) | | Export Packaging | Inner polybag + export-grade reinforced carton; wooden pallets available for bulk shipments | | Registered Brand | OPPU | | Country of Origin | China/Tianjin | ## Description Durable Hex Socket Screw with Spring and Flat Washers is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** High Strength Steel - **Grade:** 8.8 - **Head Style:** Round - **Finish:** Hot Galvanizing - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building Available configurations include material, head style, standard, grade and finish. 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$0.06 – 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 Durable Hex Socket Screw with Spring and Flat Washers? The listed minimum order is 10,000 pieces, at US$0.06 – 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 Durable Hex Socket Screw with Spring and Flat Washers? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: High Strength Steel; Grade: 8.8; Head Style: Round; Finish: Hot Galvanizing. 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 finish. 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 socket head cap & allen screws are available? The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) 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 Socket Head Cap & Allen Screws →](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) [![Stainless Steel Confirmat Screws Zinc Plated Furniture Socket Head Cross Hexagon Cabinet Connecting Confirmat Screw](https://img.engineeringhardware.com/Stainless-Steel-Confirmat-Screws-Zinc-Plated-Furniture-Socket-Head-Cross-Hexagon-Cabinet-Connecting-Confirmat-Screw.webp)](https://engineeringhardware.com/product/stainless-steel-confirmat-screws-zinc-plated-furniture-socket-head-cross-hexagon/) Socket Head Cap & Allen Screws ### [Stainless Steel Confirmat Screws Zinc Plated Furniture Socket Head Cross Hexagon Cabinet Connecting Confirmat Screw](https://engineeringhardware.com/product/stainless-steel-confirmat-screws-zinc-plated-furniture-socket-head-cross-hexagon/) Hexagon Head · DIN, GB **US$0.012**MOQ 100 pieces [![High Quality Factory Black 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