--- title: "High-Quality DIN7991 Hex Socket Countersunk Screws for Sale" description: "High-Quality DIN7991 Hex Socket Countersunk Screws for Sale — Socket Head Cap & Allen Screws. MOQ 200 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/high-quality-din7991-hex-socket-countersunk-screws-for-sale/ source: Engineering Hardware & Fasteners --- # High-Quality DIN7991 Hex Socket Countersunk Screws for Sale [![High-Quality DIN7991 Hex Socket Countersunk Screws for Sale](https://img.engineeringhardware.com/High-Quality-DIN7991-Hex-Socket-Countersunk-Screws-for-Sale.webp)](https://img.engineeringhardware.com/High-Quality-DIN7991-Hex-Socket-Countersunk-Screws-for-Sale.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/high-quality-din7991-hex-socket-countersunk-screws-for-sale.md) Model no. **DIN 7991** | **US$0.12**200–4,999 pieces | **US$0.06**5,000–9,999 pieces | **US$0.012**10,000+ pieces | | --- | --- | --- | MOQ 200 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Counter Sunk Bolt - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Grade:** 6.8 - **Finish:** Passivation - **Non-Standards:** OEM Is Available, According to Drawing or Samples - **Standards:** M Bsw/Bsf Unf/Unc - **Package Size:** 10.00cm * 10.00cm * 10.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High-Quality%20DIN7991%20Hex%20Socket%20Countersunk%20Screws%20for%20Sale%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-quality-din7991-hex-socket-countersunk-screws-for-sale%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. | DIN 7991 | | Connection | Common Bolt | | Head Style | Counter Sunk Bolt | | Standard | DIN, ANSI, GB, JIS, BSW, GOST | | Grade | 6.8 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Passivation | | Delivery Time | 7-15days | | Company Type | Integrated Industry and Trade | | Non-Standards | OEM Is Available, According to Drawing or Samples | | Standards | M Bsw/Bsf Unf/Unc | | Transport Package | Foam Bags / Cartons / Wooden Cases | | Specification | M1.6-M24 | | Origin | China | | HS Code | 7318159001 | | Production Capacity | 1000ton/Month | | Package Size | 10.00cm * 10.00cm * 10.00cm | | Package Gross Weight | 22.000kg | | Lead Time | 7 days (1 - 100000 Pieces) To be negotiated ( > 100000 Pieces) | | Our productrange includes | Screws&Bolts,Nuts,Washers,CNC Turned Parts | | We work with various materials such as | 304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Material | 304/316 Stainless steel / Carbon steel / Alloy steel / Titanium | | --- | --- | | Surface treatment | Plain / Black/ Zinc plated / Dacromet Nickel plating | | Thread diameter | M1.6-M24 2#-56 - 5/8-11 | | Thread length | 3 mm - 200 mm 5/32 - 4" | | Property Class | 4.8 / 6.8 / 8.8 / 10.9 / 12.9 | | MinimumOrder (MOQ) | According to customer demand | | Transport packaging | Foam bags / Cartons / Wooden cases | | Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc | | Non-standards | OEM is available, according to drawing or samples | | Notice | Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us | ## Description High-Quality DIN7991 Hex Socket Countersunk Screws for Sale is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Countersunk Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST - **Material:** Stainless Steel - **Grade:** 6.8 - **Head Style:** Counter Sunk Bolt - **Finish:** Passivation - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building 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 200 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 High-Quality DIN7991 Hex Socket Countersunk Screws for Sale? The listed minimum order is 200 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. ### How does the price change with quantity? Volume pricing: US$0.12 for 200–4,999 pieces; US$0.06 for 5,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of High-Quality DIN7991 Hex Socket Countersunk Screws for Sale? Type: Countersunk Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Stainless Steel; Grade: 6.8; Head Style: Counter Sunk Bolt; Finish: Passivation. 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 & 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/) [![SUS304 DIN912 Half Thread Socket Head Cap Screw Hex Allen Bolt](https://img.engineeringhardware.com/SUS304-DIN912-Half-Thread-Socket-Head-Cap-Screw-Hex-Allen-Bolt.webp)](https://engineeringhardware.com/product/sus304-din912-half-thread-socket-head-cap-screw-hex-allen-bolt/) Socket Head Cap & Allen Screws ### [SUS304 DIN912 Half Thread Socket Head Cap Screw Hex Allen Bolt](https://engineeringhardware.com/product/sus304-din912-half-thread-socket-head-cap-screw-hex-allen-bolt/) Allen Socket · DIN, GB, ANSI, BSW, JIS, GOST **US$0.012 – 0.06**MOQ 1,000 pieces [![Carbon Steel 10.9 Flat Head Hex Socket Screw Black Oxide for Industrial 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Screws](https://img.engineeringhardware.com/A4-80-M3-M6-M8-DIN912-Stainless-Steel-304-316-Hex-Socket-Allen-Screws.webp)](https://engineeringhardware.com/product/a4-80-m3-m6-m8-din912-stainless-steel-304-316-hex-socket-allen-screws/) Socket Head Cap & Allen Screws ### [A4-80 M3 M6 M8 DIN912 Stainless Steel 304 316 Hex Socket Allen Screws](https://engineeringhardware.com/product/a4-80-m3-m6-m8-din912-stainless-steel-304-316-hex-socket-allen-screws/) Hexagon Head With Flange · DIN, ANSI, BSW **US$0.06 – 0.24**MOQ 1 piece **US$0.012 – 0.12**MOQ 200 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High-Quality%20DIN7991%20Hex%20Socket%20Countersunk%20Screws%20for%20Sale%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-quality-din7991-hex-socket-countersunk-screws-for-sale%2F)