--- title: "Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw" description: "Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw — Socket Head Cap & Allen Screws. MOQ 1,000 pieces, US$0.0012 – 0.0048." url: https://engineeringhardware.com/product/manufacture-din7991-countersunk-machine-flat-head-hexagon-socket-cap-screw/ source: Engineering Hardware & Fasteners --- # Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw [![Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw](https://img.engineeringhardware.com/Manufacture-DIN7991-Countersunk-Machine-Flat-Head-Hexagon-Socket-Cap-Screw.webp)](https://img.engineeringhardware.com/Manufacture-DIN7991-Countersunk-Machine-Flat-Head-Hexagon-Socket-Cap-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/manufacture-din7991-countersunk-machine-flat-head-hexagon-socket-cap-screw.md) Model no. **M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39** | **US$0.0048**1,000–2,999 pieces | **US$0.0036**3,000–3,999 pieces | **US$0.0024**4,000–49,999 pieces | **US$0.0012**50,000+ pieces | | --- | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN, GB, ANSI, BSW, JIS - **Grade:** SS304 SS316 A2-70 A4-80 B8 B8m - **Finish:** Polishing - **Size:** Different Sizes Are Available - **Package Size:** 20.00cm * 20.00cm * 2.00cm - **Customized Ideal Fasteners:** customized services according to the samples and drawings offered. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Manufacture%20DIN7991%20Countersunk%20Machine%20Flat%20Head%20Hexagon%20Socket%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmanufacture-din7991-countersunk-machine-flat-head-hexagon-socket-cap-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 | Stainless Steel | | Type | Countersunk Head | | Model NO. | M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, GB, ANSI, BSW, JIS | | Grade | SS304 SS316 A2-70 A4-80 B8 B8m | | Application | Heavy Industry, General Industry, Automotive Indus | | Finish | Polishing | | Package | Small Boxes, Plastic Bags, Bulk in Cartons, Pallet | | Measurement | Metric, Imperial (Inch) | | Place of Origin | Zhejiang, China | | Service | OEM/ ODM | | Industry | Fastener | | Delivery Time | 15-30 Days | | Materia | Stainless Steel 316, Stainless Steel 304 | | MOQ | 1000PCS | | Sample | Availible | | Certificate | ISO9001:2008 | | Supply Ability | 1000 Tons Per Month | | Size | Different Sizes Are Available | | Transport Package | Small Boxes, Plastic Bags, Bulk in Cartons, Pallet | | Specification | m3-m64 | | Origin | Zhejiang | | Production Capacity | 1000ton/Month | | Package Size | 20.00cm * 20.00cm * 2.00cm | | Package Gross Weight | 2.000kg | | Professional Manufacturer | All of our Fastener are designed and manufactured according to buyers' specification and performance. | | Quality is guaranteed | Durability testing and critical technical design to enhance fasteners lifetime. | | Cost effective | Competitive prices with factory directly supply | | to solve your problem | Wide range of parts selection. | | Customized Ideal Fasteners | customized services according to the samples and drawings offered. | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Description Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN, GB, ANSI, BSW, JIS - **Material:** Stainless Steel - **Grade:** SS304 SS316 A2-70 A4-80 B8 B8m - **Size:** Different Sizes Are Available - **Head Style:** Round - **Groove:** Hexagon - **Finish:** Polishing 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 1,000 pieces at US$0.0012 – 0.0048 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 Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw? The listed minimum order is 1,000 pieces, at US$0.0012 – 0.0048 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$0.0048 for 1,000–2,999 pieces; US$0.0036 for 3,000–3,999 pieces; US$0.0024 for 4,000–49,999 pieces; US$0.0012 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Manufacture DIN7991 Countersunk Machine Flat Head Hexagon Socket Cap Screw? Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS; Material: Stainless Steel; Grade: SS304 SS316 A2-70 A4-80 B8 B8m; Size: Different Sizes Are Available; 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 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 & 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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/) [![Black Oxide Carbon Steel Hex Socket Cap Screw DIN 912](https://img.engineeringhardware.com/Black-Oxide-Carbon-Steel-Hex-Socket-Cap-Screw-DIN-912.webp)](https://engineeringhardware.com/product/black-oxide-carbon-steel-hex-socket-cap-screw-din-912/) Socket Head Cap & Allen Screws ### [Black Oxide Carbon Steel Hex Socket Cap Screw DIN 912](https://engineeringhardware.com/product/black-oxide-carbon-steel-hex-socket-cap-screw-din-912/) Hex · DIN, ANSI, GB, JIS, BSW, GOST **US$0.12 – 0.16**MOQ 1,000 pieces [![Malaxy Stainless Steel DIN 7991 Hex Socket Countersunk Flat Head Machine 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Screw](https://engineeringhardware.com/product/iso7379-stainless-steel-hexagon-socket-head-shoulder-screw/) Hexagon Head · DIN, GB **US$0.012**MOQ 100 pieces **US$0.0012 – 0.0048**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Manufacture%20DIN7991%20Countersunk%20Machine%20Flat%20Head%20Hexagon%20Socket%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fmanufacture-din7991-countersunk-machine-flat-head-hexagon-socket-cap-screw%2F)