--- title: "M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw" description: "M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw — Socket Head Cap & Allen Screws. MOQ 1,000 pieces, US$0.012 – 1.20." url: https://engineeringhardware.com/product/m8-black-grade-10-9-countersunk-flat-head-hex-socket-cap-screw/ source: Engineering Hardware & Fasteners --- # M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw [![M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw](https://img.engineeringhardware.com/M8-Black-Grade-10-9-Countersunk-Flat-Head-Hex-Socket-Cap-Screw.webp)](https://img.engineeringhardware.com/M8-Black-Grade-10-9-Countersunk-Flat-Head-Hex-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/m8-black-grade-10-9-countersunk-flat-head-hex-socket-cap-screw.md) Model no. **DIN7991** | **US$1.20**1,000–9,999 pieces | **US$0.12**10,000–99,999 pieces | **US$0.012**100,000+ pieces | | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel Stainless Steel Alloy Steel - **Head Style:** Counter Sunk Bolt - **Standard:** DIN, GB, ANSI, BSW, JIS, GOST - **Grade:** 4.8, 8.8, 10.9, 12.9, etc - **Non-Standards:** OEM Is Available, According to Drawing or Samples - **We work with various materials such as:** 304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20M8%20Black%20Grade%2010.9%20Countersunk%20Flat%20Head%20Hex%20Socket%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm8-black-grade-10-9-countersunk-flat-head-hex-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 | Carbon Steel Stainless Steel Alloy Steel | | Type | Countersunk Head | | Model NO. | DIN7991 | | Groove | Hexagon | | Connection | Common Bolt | | Head Style | Counter Sunk Bolt | | Standard | DIN, GB, ANSI, BSW, JIS, GOST | | Grade | 4.8, 8.8, 10.9, 12.9, etc | | Minimumorder (MOQ) | According to Customer Demand | | Non-Standards | OEM Is Available, According to Drawing or Samples | | Transport Package | Foam Bags / Cartons / Wooden Cases | | Specification | M2-M30/1/4"-2" | | Origin | China | | 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 | Product Name | Hex Socket Flat Countersunk Head Screw | | --- | --- | | Standard | GB/DIN/BS/ANSI; DIN 7991, ISO 10642, ASME/ANSI B18.3 | | Grade | 4.8/6.8/8.8/10.9/12.9; 304(A2), 316(A4); 2205, B8, B8T, B7, etc. | | Material | Carbon Steel/Stainless steel/Titanium/Brass | | Surface Treatment | Plain, Black, Zinc, HDG, Dacromet, Nickel Plated, polished, etc. | | Packing detailes | Woven Bag,Carton,Pallets,or as your requests. | | Payment Terms | T/T | | Delivery Method | by sea, by air or by express service | ## Description M8 Black Grade 10.9 Countersunk Flat Head Hex 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, GOST - **Material:** Carbon Steel Stainless Steel Alloy Steel - **Grade:** 4.8, 8.8, 10.9, 12.9, etc - **Head Style:** Counter Sunk Bolt - **Groove:** Hexagon - **Connection:** Common Bolt - **Minimumorder (MOQ):** According to Customer Demand Available configurations include material, head style, standard, grade and non-standards. 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$0.012 – 1.20 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 M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw? The listed minimum order is 1,000 pieces, at US$0.012 – 1.20 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$1.20 for 1,000–9,999 pieces; US$0.12 for 10,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of M8 Black Grade 10.9 Countersunk Flat Head Hex Socket Cap Screw? Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel Stainless Steel Alloy Steel; Grade: 4.8, 8.8, 10.9, 12.9, etc; Head Style: Counter Sunk Bolt; 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 non-standards. 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/) [![Custom A2 Stainless Steel Hex Socket Cap Screw for Precision Equipment Assembly](https://img.engineeringhardware.com/Custom-A2-Stainless-Steel-Hex-Socket-Cap-Screw-for-Precision-Equipment-Assembly.webp)](https://engineeringhardware.com/product/custom-a2-stainless-steel-hex-socket-cap-screw-for-precision-equipment-assembly/) Socket Head Cap & Allen Screws ### [Custom A2 Stainless Steel Hex Socket Cap Screw for Precision Equipment Assembly](https://engineeringhardware.com/product/custom-a2-stainless-steel-hex-socket-cap-screw-for-precision-equipment-assembly/) Customized · DIN, ANSI, GB **US$0.012 – 0.25**MOQ 3,000 pieces [![Stainless Steel Hex Socket Chamfered Flat Head Male-Female 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Stainless Steel Flat Round Head Hex Socket Cap Screws for Building Projects](https://engineeringhardware.com/product/304-stainless-steel-flat-round-head-hex-socket-cap-screws-for-building-projects/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.0024 – 0.024**MOQ 100 pieces **US$0.012 – 1.20**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%20M8%20Black%20Grade%2010.9%20Countersunk%20Flat%20Head%20Hex%20Socket%20Cap%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fm8-black-grade-10-9-countersunk-flat-head-hex-socket-cap-screw%2F)