--- title: "Countersunk Flat Head Screw Nails with Best Price" description: "Countersunk Flat Head Screw Nails with Best Price — Countersunk & Flat-Head Machine Screws. MOQ 5 tons, US$1,080 – 1,560." url: https://engineeringhardware.com/product/countersunk-flat-head-screw-nails-with-best-price/ source: Engineering Hardware & Fasteners --- # Countersunk Flat Head Screw Nails with Best Price [![Countersunk Flat Head Screw Nails with Best Price](https://img.engineeringhardware.com/Countersunk-Flat-Head-Screw-Nails-with-Best-Price.webp)](https://img.engineeringhardware.com/Countersunk-Flat-Head-Screw-Nails-with-Best-Price.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/countersunk-flat-head-screw-nails-with-best-price.md) | **US$1,560**5–24 tons | **US$1,380**25–49 tons | **US$1,260**50–99 tons | **US$1,080**100+ tons | | --- | --- | --- | --- | MOQ 5 tons · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Round - **Standard:** GB - **Grade:** 6.8 - **Length:** 1-5 Inch Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Countersunk%20Flat%20Head%20Screw%20Nails%20with%20Best%20Price%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcountersunk-flat-head-screw-nails-with-best-price%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 | | Type | Round Head | | Groove | Cross | | Connection | Common Bolt | | Head Style | Round | | Standard | GB | | Grade | 6.8 | | Length | 1-5 Inch | | Use | Connection and Fixation | | Transport Package | Carton | | Specification | #55 | | Origin | China | | HS Code | 7317000000 | | Production Capacity | 10 Tons/Day | | Package | 1000 pcs / box, 20boxes/carton | | Weight | 25kg/bag | | Loading | 25 tons /20' container | | Delivery time | About 20-30 days after receiving the deposit, depend on quantity. | | Port | Tianjin Xingang, China | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Fine Thread Standrad | | | | | | --- | --- | --- | --- | --- | | No. | Diameter | Head Width | Thread diameter | Diameter | | 6# | 3.5 | 7.9-8.10 | 3.40-3.60 | 13-19 | | 7# | 3.9 | 7.9-8.10 | 3.70-3.90 | 25-30 | | 8# | 4.2 | 7.9-8.10 | 4.0-4.30 | 25-30 | | 10# | 4.8 | 8.5-9.0 | 4.70-4.90 | 55-90 | | Coarse thread standard | | | | | | No. | Diameter | Head Width | Thread diameter | Diameter | | 6# | 3.5 | 7.9-8.10 | 3.65-3.90 | 13-19 | | 7# | 3.9 | 7.9-8.10 | 3.90-4.20 | 25-30 | | 8# | 4.2 | 7.9-8.10 | 4.30-4.60 | 25-30 | | 10# | 4.8 | 8.5-9.0 | 4.90-5.30 | 55-90 | ## Description Countersunk Flat Head Screw Nails with Best Price is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Type:** Round Head - **Standard:** GB - **Material:** Carbon Steel - **Grade:** 6.8 - **Length:** 1-5 Inch - **Head Style:** Round - **Groove:** Cross - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and length. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 5 tons at US$1,080 – 1,560 per ton. 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 Countersunk Flat Head Screw Nails with Best Price? The listed minimum order is 5 tons, at US$1,080 – 1,560 per ton. 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$1,560 for 5–24 tons; US$1,380 for 25–49 tons; US$1,260 for 50–99 tons; US$1,080 for 100+ tons. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Countersunk Flat Head Screw Nails with Best Price? Type: Round Head; Standard: GB; Material: Carbon Steel; Grade: 6.8; Length: 1-5 Inch; 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 length. 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 & 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 & Flat-Head Machine Screws →](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) [![Semi-Tubular Rivets Semi-Tubular Rivet Clutch Disc Rivets Factory Price ISO9001](https://img.engineeringhardware.com/Semi-Tubular-Rivets-Semi-Tubular-Rivet-Clutch-Disc-Rivets-Factory-Price-ISO9001.webp)](https://engineeringhardware.com/product/semi-tubular-rivets-semi-tubular-rivet-clutch-disc-rivets-factory-price-iso9001/) Countersunk & Flat-Head Machine Screws ### [Semi-Tubular Rivets Semi-Tubular Rivet Clutch Disc Rivets Factory Price ISO9001](https://engineeringhardware.com/product/semi-tubular-rivets-semi-tubular-rivet-clutch-disc-rivets-factory-price-iso9001/) Countersunk Head · Steel **US$0.006**MOQ 100,000 pieces [![1-1/2″ X 14G UK Bright Flat Head Steel Nails Bright Countersunk Round Head Steel 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Screws](https://engineeringhardware.com/product/wholesale-stainless-steel-umbrella-cross-plum-shaped-large-flat-head-screws/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.06 – 0.084**MOQ 1,000 pieces [![3.5-5.5mm Stainless Steel Screw Big Bevel Flat Head Phillips Drive Machine Screws](https://img.engineeringhardware.com/3-5-5-5mm-Stainless-Steel-Screw-Big-Bevel-Flat-Head-Phillips-Drive-Machine-Screws.webp)](https://engineeringhardware.com/product/3-5-5-5mm-stainless-steel-screw-big-bevel-flat-head-phillips-drive-machine-screws/) Countersunk & Flat-Head Machine Screws ### [3.5-5.5mm Stainless Steel Screw Big Bevel Flat Head Phillips Drive Machine Screws](https://engineeringhardware.com/product/3-5-5-5mm-stainless-steel-screw-big-bevel-flat-head-phillips-drive-machine-screws/) Round Head · GB, SGS/ISO **US$1,200 – 1,800**MOQ 1 ton **US$1,080 – 1,560**MOQ 5 tonsGet a 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