--- title: "Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw" description: "Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw — Socket Head Cap & Allen Screws. MOQ 1,000 pieces, US$0.072 – 0.14." url: https://engineeringhardware.com/product/countersunk-head-hex-socket-screws-hexagon-flat-head-brass-screw/ source: Engineering Hardware & Fasteners --- # Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw [![Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw](https://img.engineeringhardware.com/Countersunk-Head-Hex-Socket-Screws-Hexagon-Flat-Head-Brass-Screw.webp)](https://img.engineeringhardware.com/Countersunk-Head-Hex-Socket-Screws-Hexagon-Flat-Head-Brass-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/countersunk-head-hex-socket-screws-hexagon-flat-head-brass-screw.md) Model no. **Flat Head Brass Screw** US$0.072 – 0.14 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN - **Grade:** 12.9 - **Size:** M3,M3.5,M4,M5,M6,M8,M10,M12,M20 - **Surface Treament:** Zinc Plated,Black Oxide - **Model Number:** Hexagon Flat Head Brass Screw - **Thread Length:** Customized - **Color:** Silver Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Countersunk%20Head%20Hex%20Socket%20Screws%20Hexagon%20Flat%20Head%20Brass%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcountersunk-head-hex-socket-screws-hexagon-flat-head-brass-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 | Model NO. | Flat Head Brass Screw | | --- | --- | | Groove | Hexagon | | Connection | Hinged Bolts | | Head Style | Round | | Standard | DIN | | Grade | 12.9 | | Size | M3,M3.5,M4,M5,M6,M8,M10,M12,M20 | | Keyword | Brass Hexagon Countersunk Screw | | Surface Treament | Zinc Plated,Black Oxide | | Product Name | Countersunk Head Hex Socket Screws | | Model Number | Hexagon Flat Head Brass Screw | | Thread Length | Customized | | MOQ | 1000PCS | | Place of Origin | Guangdong, China | | Certificate | ISO9001:2008 | | Usage | Kitchen Screw, Marine Screw, Outdoor, Window Screw | | Color | Silver | | OEM&ODM | Yes | | Head | Countersunk Head Bolt Screw | | Transport Package | Carton | | Specification | Customized | | Origin | Guangdong, China | | HS Code | 7415339000 | | Production Capacity | 1000000 | | Customization | Available | | Material | Brass | | Type | Countersunk Head | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Standard | ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize | | --- | --- | | Material | 1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40) 4.Bronze: C51000, C52100, C54400, etc 5.Iron: 1213, 12L14,1215 6.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc 7.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045, C435#, 40CrMo, 42CrMo 8.Alloy steel: SCM435,10B21 9. | | Grade | 4.8,6.8,8.8,12.9,etc | | Size | M3-M20 or made to print as customer's specification | | Specifications | Various shape size according to client's requirement | | Thread | unc,unf,metric thread | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET, as custom need | | Payment term | T/T 30 % deposit, 70% balance payment before shipment | | Package | solid cardboard box pack or kit packed | ## Description Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN - **Material:** Brass - **Grade:** 12.9 - **Size:** M3,M3.5,M4,M5,M6,M8,M10,M12,M20 - **Head Style:** Round - **Groove:** Hexagon - **Connection:** Hinged Bolts Available configurations include head style, standard, grade, size and surface treament. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 pieces at US$0.072 – 0.14 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 Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw? The listed minimum order is 1,000 pieces, at US$0.072 – 0.14 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 Countersunk Head Hex Socket Screws Hexagon Flat Head Brass Screw? Type: Countersunk Head; Standard: DIN; Material: Brass; Grade: 12.9; Size: M3,M3.5,M4,M5,M6,M8,M10,M12,M20; Head Style: Round. 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, size and surface treament. 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/) [![Malaxy in Stock Fast Shipping Grade 12.9 Alloy Steel Socket Head Cap Screw Black Oxide](https://img.engineeringhardware.com/Malaxy-in-Stock-Fast-Shipping-Grade-12-9-Alloy-Steel-Socket-Head-Cap-Screw-Black-Oxide.webp)](https://engineeringhardware.com/product/malaxy-in-stock-fast-shipping-grade-12-9-alloy-steel-socket-head-cap-screw-black/) Socket Head Cap & Allen Screws ### [Malaxy in Stock Fast Shipping Grade 12.9 Alloy Steel Socket Head Cap Screw Black Oxide](https://engineeringhardware.com/product/malaxy-in-stock-fast-shipping-grade-12-9-alloy-steel-socket-head-cap-screw-black/) Countersunk Head · DIN, GB, ANSI, BSW, GOST **US$0.012 – 0.036**MOQ 100 pieces [![14.9 12.9 Grade CNC Tool Holder Bar Blade Numerical Control Tool M1.8 M2 M3 Alloy 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