--- title: "Hex Socket Cap Head Sem Screw with Flat & Spring Washer" description: "Hex Socket Cap Head Sem Screw with Flat & Spring Washer — Socket Head Cap & Allen Screws. MOQ 200,000 pieces, US$0.0024 – 0.006." url: https://engineeringhardware.com/product/hex-socket-cap-head-sem-screw-with-flat-spring-washer/ source: Engineering Hardware & Fasteners --- # Hex Socket Cap Head Sem Screw with Flat & Spring Washer [![Hex Socket Cap Head Sem Screw with Flat & Spring Washer](https://img.engineeringhardware.com/Hex-Socket-Cap-Head-Sem-Screw-with-Flat-Spring-Washer.webp)](https://img.engineeringhardware.com/Hex-Socket-Cap-Head-Sem-Screw-with-Flat-Spring-Washer.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/hex-socket-cap-head-sem-screw-with-flat-spring-washer.md) US$0.0024 – 0.006 / piece MOQ 200,000 pieces · Final price confirmed in your quote - **Head Style:** Cap - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** 8.8 - **Standards:** DIN912 - **Strength Grade:** Grade 8.8/ Customized - **Size:** M3,M4, M5, M6, M8, M10 - **Thread Type:** Metric Thread, Full or Partial Thread - **Package Size:** 28.00cm * 18.00cm * 14.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hex%20Socket%20Cap%20Head%20Sem%20Screw%20with%20Flat%20%26%23038%3B%20Spring%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-socket-cap-head-sem-screw-with-flat-spring-washer%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 | Groove | Hex Socket | | --- | --- | | Connection | Common Bolt | | Head Style | Cap | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | 8.8 | | Product Name | Hex Socket Cap Head Sem Screw | | Keywords | Hex Socket | | Standards | DIN912 | | Strength Grade | Grade 8.8/ Customized | | Size | M3,M4, M5, M6, M8, M10 | | Thread Type | Metric Thread, Full or Partial Thread | | Design Feature | Machine Screw | | Transport Package | Standard Packaging or Customized | | Specification | Standard Specifications or Customized | | Origin | Zhejiang, China | | HS Code | 7318150000 | | Production Capacity | 40000000PCS/Year | | Package Size | 28.00cm * 18.00cm * 14.00cm | | Package Gross Weight | 20.000kg | | Customization | Available | | Material | Carbon Steel, Stainless Steel | | Type | Cheese Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Three-piece integrated design | No need to assemble washers separately, saves installation time and prevents washers from missing. | | Excellent anti-loosening performance | Spring washer provides strong elasticity to avoid loosening under vibration. | | Corrosion resistance & long service life | Stainless steel version offers good rust resistance for humid, outdoor and marine environments. | | Stable and durable connection | Flat washer distributes pressure evenly to protect the mounting surface. | | High torque and non-slip drive | Hex socket head ensures stable force transmission and is suitable for automatic assembly. | | Complete Specifications | Cover M2-M12 full specifications, length can be customized, meet different application needs. | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | TECHNICAL PARAMETERS | | | --- | --- | | Product Name | Hex Socket Cap Head Sem Screw | | Keywords | Machine Screw | | Standards | Customized | | Material | Carbon Steel, Stainless Steel | | Strength Grade | Grade 8.8 / Customized | | Surface Finish | Zinc-Plated, Galvanized, Black Oxide | | Size | M3, M4, M5, M6, M8, M10 | | Thread Type | Metric Thread, Full or Partial Thread | | Design Feature | One-piece combination structure | | Applications | Machinery, Electronics, Automotive, Marine, Medical Equipment, Furniture Hardware, etc. | ## Description Hex Socket Cap Head Sem Screw with Flat & Spring Washer is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Cheese Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** Carbon Steel, Stainless Steel - **Grade:** 8.8 - **Strength Grade:** Grade 8.8/ Customized - **Size:** M3,M4, M5, M6, M8, M10 - **Head Style:** Cap - **Groove:** Hex Socket Available configurations include head style, standard, grade, standards and strength grade. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 200,000 pieces at US$0.0024 – 0.006 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 Hex Socket Cap Head Sem Screw with Flat & Spring Washer? The listed minimum order is 200,000 pieces, at US$0.0024 – 0.006 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 Hex Socket Cap Head Sem Screw with Flat & Spring Washer? Type: Cheese Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel, Stainless Steel; Grade: 8.8; Strength Grade: Grade 8.8/ Customized; Size: M3,M4, M5, M6, M8, M10. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, standards and strength grade. 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 DIN912 Smooth Socket Head Screws Partially&Fully Threaded Screws Hex Cylindrical Head Cap Screws Manufacturer & Factory](https://img.engineeringhardware.com/Stainless-Steel-DIN912-Smooth-Socket-Head-Screws-Partially-Fully-Threaded-Screws-Hex-Cylindrical-Head-Cap-Screws-Manufacturer-Factory.webp)](https://engineeringhardware.com/product/stainless-steel-din912-smooth-socket-head-screws-partially-fully-threaded-screws-hex/) Socket Head Cap & Allen Screws ### [Stainless Steel DIN912 Smooth Socket Head Screws Partially&Fully Threaded Screws Hex Cylindrical Head Cap Screws Manufacturer & Factory](https://engineeringhardware.com/product/stainless-steel-din912-smooth-socket-head-screws-partially-fully-threaded-screws-hex/) Hex Socket Head 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Head Cap & Allen Screws ### [Vodafast Stainless Steel Hex Socket Low Head Cap Screw DIN7984](https://engineeringhardware.com/product/vodafast-stainless-steel-hex-socket-low-head-cap-screw-din7984/) Hexagon Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.0084 – 0.012**MOQ 10,000 pieces **US$0.0024 – 0.006**MOQ 200,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hex%20Socket%20Cap%20Head%20Sem%20Screw%20with%20Flat%20%26%23038%3B%20Spring%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-socket-cap-head-sem-screw-with-flat-spring-washer%2F)