--- title: "Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts" description: "Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts — Countersunk, Plow & Elevator Bolts. Grade: 8. MOQ 50,000 pieces, US$0.10 – 0.11." url: https://engineeringhardware.com/product/hexagon-socket-countersunk-head-screw-flat-head-socket-screw-bolts/ source: Engineering Hardware & Fasteners --- # Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts [![Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts](https://img.engineeringhardware.com/Hexagon-Socket-Countersunk-Head-Screw-Flat-Head-Socket-Screw-Bolts.webp)](https://img.engineeringhardware.com/Hexagon-Socket-Countersunk-Head-Screw-Flat-Head-Socket-Screw-Bolts.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › Countersunk, Plow & Elevator Bolts](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/hexagon-socket-countersunk-head-screw-flat-head-socket-screw-bolts.md) Model no. **Hexagonal head bolt and spring-flat pad combinatio** US$0.10 – 0.11 / piece MOQ 50,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel, Alloy Steel or Custom - **Grade:** 8 - **Finish:** Zinc-Nickel Alloy Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hexagon%20Socket%20Countersunk%20Head%20Screw%20Flat%20Head%20Socket%20Screw%20Bolts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhexagon-socket-countersunk-head-screw-flat-head-socket-screw-bolts%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, Alloy Steel or Custom | | Grade | 8 | | Model NO. | Hexagonal head bolt and spring-flat pad combinatio | | Finish | Zinc-Nickel Alloy | | Product Name | Hexagonal Head Bolt and Spring-Flat Pad Combinatio | | Service | OEM/ODM | | Quality | High Quality | | Delivery Time | 30 Days | | HRC | M8 | | Transport Package | Customizable | | Specification | M8 | | Origin | Wenzhou, Zhejiang Province | | HS Code | 731819000 | | Production Capacity | 500000 | | Specifications | M8 | | Category | [Countersunk, Plow & Elevator Bolts](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) | ## Technical parameters | Product Name | hexagon head bolt | | --- | --- | | Material | Carbon steel, alloy steel, customization | | Surface Treatment | zinc-nickel alloy | | Specifications: | M8 | ## Description Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts is part of our countersunk, plow & elevator bolts range (Bolts). ### Key details - **Material:** Carbon Steel, Alloy Steel or Custom - **Grade:** 8 - **Finish:** Zinc-Nickel Alloy - **Product Name:** Hexagonal Head Bolt and Spring-Flat Pad Combinatio - **Service:** OEM/ODM - **Quality:** High Quality - **HRC:** M8 Available configurations include material, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 50,000 pieces at US$0.10 – 0.11 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 Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts? The listed minimum order is 50,000 pieces, at US$0.10 – 0.11 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 Hexagon Socket Countersunk Head Screw Flat Head Socket Screw Bolts? Material: Carbon Steel, Alloy Steel or Custom; Grade: 8; Finish: Zinc-Nickel Alloy; Product Name: Hexagonal Head Bolt and Spring-Flat Pad Combinatio; Service: OEM/ODM; Quality: High Quality. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, 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 countersunk, plow & elevator bolts are available? The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) 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 Countersunk, Plow & Elevator Bolts →](https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/) [![China Factory Black DIN7991 Carbon Steel Hexagon Socket Countersunk Head Screws Bolts](https://img.engineeringhardware.com/China-Factory-Black-DIN7991-Carbon-Steel-Hexagon-Socket-Countersunk-Head-Screws-Bolts.webp)](https://engineeringhardware.com/product/china-factory-black-din7991-carbon-steel-hexagon-socket-countersunk-head-screws-bolts/) Countersunk, Plow & Elevator Bolts ### [China Factory Black DIN7991 Carbon Steel Hexagon Socket Countersunk Head Screws Bolts](https://engineeringhardware.com/product/china-factory-black-din7991-carbon-steel-hexagon-socket-countersunk-head-screws-bolts/) Countersunk Head · DIN, ANSI, GB, JIS, BSW, GOST **US$960.00**MOQ 1 ton [![2-56 4-40 6-32 Unc A2-70 Stainless Steel Countersunk Slotted Big Pan Head 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Bolts](https://img.engineeringhardware.com/DIN-965-GB-819-M6-45-Cross-Recessed-Countersunk-Head-Flat-Head-Bolts.webp)](https://engineeringhardware.com/product/din-965-gb-819-m6-45-cross-recessed-countersunk-head-flat-head-bolts/) Countersunk, Plow & Elevator Bolts ### [DIN 965 GB 819 M6*45 Cross Recessed Countersunk Head Flat Head Bolts](https://engineeringhardware.com/product/din-965-gb-819-m6-45-cross-recessed-countersunk-head-flat-head-bolts/) Pan Head · DIN, GB, ANSI, BSW, JIS **US$0.0588 – 0.36**MOQ 10,000 pieces **US$0.10 – 0.11**MOQ 50,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hexagon%20Socket%20Countersunk%20Head%20Screw%20Flat%20Head%20Socket%20Screw%20Bolts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhexagon-socket-countersunk-head-screw-flat-head-socket-screw-bolts%2F)