--- title: "Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength" description: "Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Pl… — Countersunk & Flat-Head Machine Screws." url: https://engineeringhardware.com/product/brass-plating-din7991-socket-countersunk-head-cap-screw-socket-flat-head-screw/ source: Engineering Hardware & Fasteners --- # Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength [![Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength](https://img.engineeringhardware.com/Brass-Plating-DIN7991-Socket-Countersunk-Head-Cap-Screw-Socket-Flat-Head-Screw-Copper-Plating-High-Strength.webp)](https://img.engineeringhardware.com/Brass-Plating-DIN7991-Socket-Countersunk-Head-Cap-Screw-Socket-Flat-Head-Screw-Copper-Plating-High-Strength.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/brass-plating-din7991-socket-countersunk-head-cap-screw-socket-flat-head-screw.md) US$0.012 / piece MOQ 30,000 pieces · Final price confirmed in your quote - **Material:** High Strength Steel - **Head Style:** Hexagonal - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** 12.9 - **Surface Treatment:** Black Oxide/Plain/Copper Plating - **Head Shape:** Flat Head Cap - **Raw Material:** Alloy Steel / Stainless Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Brass%20Plating%20DIN7991%20Socket%20Countersunk%20Head%20Cap%20Screw%20Socket%20Flat%20Head%20Screw%20Copper%20Plating%20High%20Strength%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fbrass-plating-din7991-socket-countersunk-head-cap-screw-socket-flat-head-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 | High Strength Steel | | Type | Countersunk Head | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | 12.9 | | Surface Treatment | Black Oxide/Plain/Copper Plating | | Head Shape | Flat Head Cap | | Raw Material | Alloy Steel / Stainless Steel | | MOQ | One Master Carton(Around 25-30kgs) for Each Size | | Application | Machinery | | Export Markets | Global | | Transport Package | 1. Small Boxes Into Outer Carton 2. Bulk Packaging | | Specification | M3-M20 | | Origin | China | | HS Code | 731815 | | Production Capacity | 1000 Tons Per Year | | include | Drop-in Anchor | | Production Range | Diameter | | Package | 25-30KGS/CARTON,36-48CARTONS/PALLET | | Produce time | Standard sizes in stock 15-30 working days, Non-standard sizes, | | by Air, Express,like Fedex, UPS, DHL,etc. More than 100KGS | By sea, we have | | Bulk order | 15-30 working days(Standard). | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Material | 1.Stainless Steel:SS304,SS316 2.Alloy Steel | | --- | --- | | Grade | 8.8, 10.9, 12.9 | | Finish | Plain(Black oxide), Zinc Plated(White/Yellow), Copper Plating, H.D.G and etc. | | Thread | Metric,UNC,UNF,BSW | | Standard | ISO, DIN, ASME, JIS, BS and Non-standard | | Sample Service | Samples can be in free when you confirm our price is acceptable. | | Certificate | ISO9001,CE, SGS | | Advantage | 1. Competitive price; 2. OEM service available | | Packing | 1. Bulk in cartons (25-30kg Max.)+wooden pallet 2. Small Boxes into outer carton + wooden pallet 3. According to customer special demand | | Payment terms | FOB, CIF, CFR, L/C, or others. | | Delivery method | by sea, by air or by express service | | Lead Time | 15-30 work days after order confirmed | | Application | Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile; Home Decorating and etc. | | Notes | Special specifications and marks can be made according to customers requirements; | ## Description Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Material:** High Strength Steel - **Grade:** 12.9 - **Head Style:** Hexagonal - **Groove:** Hexagon - **Surface Treatment:** Black Oxide/Plain/Copper Plating - **Connection:** Common Bolt Available configurations include material, head style, standard, 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 30,000 pieces at US$0.012 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 Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength? The listed minimum order is 30,000 pieces, at US$0.012 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 Brass Plating DIN7991 Socket Countersunk Head Cap Screw Socket Flat Head Screw Copper Plating High Strength? Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: High Strength Steel; Grade: 12.9; Head Style: Hexagonal; Groove: Hexagon. 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 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 countersunk & flat-head machine screws are available? The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-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 Countersunk & Flat-Head Machine Screws →](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) [![Customized Aluminum Machine Screw Flat Head Screw High Quality](https://img.engineeringhardware.com/Customized-Aluminum-Machine-Screw-Flat-Head-Screw-High-Quality.webp)](https://engineeringhardware.com/product/customized-aluminum-machine-screw-flat-head-screw-high-quality/) Countersunk & Flat-Head Machine Screws ### [Customized Aluminum Machine Screw Flat Head Screw High Quality](https://engineeringhardware.com/product/customized-aluminum-machine-screw-flat-head-screw-high-quality/) Cheese Head · DIN, GB, ANSI, JIS, ISO **US$0.012 – 0.12**MOQ 1,000 pieces [![Jeans Rivets with Brass Plating Blind Pop /Robust /Nut Plastic Rivets Blind 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