--- title: "304 Stainless Steel Custom Flat Head Socket Screw" description: "304 Stainless Steel Custom Flat Head Socket Screw — Socket Head Cap & Allen Screws. MOQ 10,000 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/304-stainless-steel-custom-flat-head-socket-screw/ source: Engineering Hardware & Fasteners --- # 304 Stainless Steel Custom Flat Head Socket Screw [![304 Stainless Steel Custom Flat Head Socket Screw](https://img.engineeringhardware.com/304-Stainless-Steel-Custom-Flat-Head-Socket-Screw.webp)](https://img.engineeringhardware.com/304-Stainless-Steel-Custom-Flat-Head-Socket-Screw.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/304-stainless-steel-custom-flat-head-socket-screw.md) Model no. **Hysls0226** US$0.012 – 0.12 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** SS304/316/316L/2205 - **Head Style:** Flat Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** A2, A4, A2-70 - **Customized:** Yes - **Thread Specification:** Custom Step Thread - **Surface Treatment:** Plain/Custom - **Tolerance Grade:** ISO 2768 Fastener Tolerance Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20304%20Stainless%20Steel%20Custom%20Flat%20Head%20Socket%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2F304-stainless-steel-custom-flat-head-socket-screw%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 | SS304/316/316L/2205 | | Type | 304 Flat Head Step Hex Socket Screw | | Model NO. | Hysls0226 | | Groove | Hex Socket | | Connection | Common Bolt | | Head Style | Flat Head | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | A2, A4, A2-70 | | Customized | Yes | | Drawing | Yes | | Application | Machinery Hardware Fastening | | Process | Cold Forging, Machining | | Service | OEM, Free Samples | | Thread Specification | Custom Step Thread | | Surface Treatment | Plain/Custom | | Tolerance Grade | ISO 2768 Fastener Tolerance | | Corrosion Resistance | Rust Proof | | Knurl Specification | N/a | | Key Features | Step Design, Durable, Non-Standard Available | | Transport Package | Polybag+Export Strong Carton | | Specification | 1/4~1-1/2" | | Origin | China | | HS Code | 7318160000 | | Production Capacity | 100ton/Month | | Package Size | 30.00cm * 20.00cm * 20.00cm | | Package Gross Weight | 0.500kg | | Non-standard parts | 15-25days | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Item | Details | | --- | --- | | Full Product Name | SS304/316/316L/2205 Stainless Steel Flat Head Hex Socket Step Screw | | Material | Stainless Steel (SS304 / SS316 / SS316L / 2205 Duplex) | | Type | 304 Flat Head Step Hex Socket Screw | | Drive Type | Hex Socket (Allen) Drive | | Connection Type | Common Bolt / Fastener | | Head Style | Flat / Countersunk Head | | Applicable Standards | DIN / GB / ANSI / BSW / JIS / GOST | | Mechanical Grade | A2, A4, A2-70 | | Packaging | Polybag + Export Carton | | Sizes | 1/4" ~ 1-1/2" (Imperial Sizes) | | Origin | China | | Customization Support | Yes (Non-standard sizes, thread specifications, surface treatments available) | | Drawing Support | Yes (Custom drawings, design validation, and engineering review services provided) | | Applications | Machinery hardware fastening, equipment assembly, tooling fixtures, industrial automation, and precision engineering projects | | Manufacturing Process | Cold forging + precision CNC machining + heat treatment | | Services | OEM/ODM available, free samples, technical consultation, and full order customization | | Thread Specification | Custom step screw thread (tailored to specific installation depths, positioning, and load requirements) | | Surface Treatment | Plain / customized (including passivation, polishing, black oxide, PTFE coating, etc.) | | Tolerance Grade | ISO 2768 Fastener Tolerance (medium class) | | Corrosion Resistance | Excellent rust-proof and anti-corrosion performance, with enhanced resistance in marine, chemical, and high-moisture environments | | Knurl Specification | N/a | | Key Features | Step design for precise positioning and depth control, durable high-strength construction, compatible with Allen drive tools, non-standard sizes available, multiple material grades for different corrosion and strength needs | ## Description 304 Stainless Steel Custom Flat Head Socket Screw is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** 304 Flat Head Step Hex Socket Screw - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** SS304/316/316L/2205 - **Grade:** A2, A4, A2-70 - **Head Style:** Flat Head - **Groove:** Hex Socket - **Surface Treatment:** Plain/Custom - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and customized. 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$0.012 – 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 304 Stainless Steel Custom Flat Head Socket Screw? The listed minimum order is 10,000 pieces, at US$0.012 – 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 304 Stainless Steel Custom Flat Head Socket Screw? Type: 304 Flat Head Step Hex Socket Screw; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: SS304/316/316L/2205; Grade: A2, A4, A2-70; Head Style: Flat Head; Groove: Hex Socket. 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 customized. 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 & 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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/) [![Gr2 Hexagon Socket Head Cap Screws Titanium Screws](https://img.engineeringhardware.com/Gr2-Hexagon-Socket-Head-Cap-Screws-Titanium-Screws.webp)](https://engineeringhardware.com/product/gr2-hexagon-socket-head-cap-screws-titanium-screws/) Socket Head Cap & Allen Screws ### [Gr2 Hexagon Socket Head Cap Screws Titanium Screws](https://engineeringhardware.com/product/gr2-hexagon-socket-head-cap-screws-titanium-screws/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.36 – 2.40**MOQ 300 pieces [![Pozi Phillips Pan Flat Csk Torx Head Hex Socket Head Slotted DIN7985 DIN967 Stainless Steel DIN912 Machine Screws DIN7380 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