--- title: "High Quality Polished Common Nail" description: "High Quality Polished Common Nail — Countersunk & Flat-Head Machine Screws. Material: High Strength Steel, Standard: DIN, GB, BSW. MOQ 1 ton, US$888.00." url: https://engineeringhardware.com/product/high-quality-polished-common-nail/ source: Engineering Hardware & Fasteners --- # High Quality Polished Common Nail [![High Quality Polished Common Nail](https://img.engineeringhardware.com/High-Quality-Polished-Common-Nail.webp)](https://img.engineeringhardware.com/High-Quality-Polished-Common-Nail.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/high-quality-polished-common-nail.md) Model no. **3.0 ×40mm** US$888.00 / ton MOQ 1 ton · Final price confirmed in your quote - **Standard:** DIN, GB, BSW - **Material:** High Strength Steel - **Head Style:** Counter Sunk Bolt - **Grade:** with Harden - **Head type:** CSK head or round head - **Finish:** Zinc/black /hot ganvinized. 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%20Quality%20Polished%20Common%20Nail%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-quality-polished-common-nail%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 | | --- | --- | | Standard | DIN, GB, BSW | | Type | Common Nail, Countersunk Head | | Model NO. | 3.0 ×40mm | | Material | High Strength Steel | | Head Style | Counter Sunk Bolt | | Groove | No | | Connection | by Hanner | | Grade | with Harden | | Transport Package | in Small Box or Bulk in Carton | | Specification | Raw material: Q235 | | Origin | China | | HS Code | 7317000000 | | Production Capacity | 3000 Tons/Year | | Head type | CSK head or round head | | Finish | Zinc/black /hot ganvinized. | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | SIZE | PACKING 1 | PACKING 2 | PACKING 3 | | --- | --- | --- | --- | | 1.6 ×16mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 1.8 ×20mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 2.0 ×25mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 2.5×30mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 3.0 ×40mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 3.76 ×50mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 4.19 ×65mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 4.57 ×75mm | 1kg/box | 2 LBS/box | 25kgs/CTN | | 4.57×100mm | 1kg/box | 2 LBS/box | 25kgs/CTN | ## Description High Quality Polished Common Nail is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Type:** Common Nail, Countersunk Head - **Standard:** DIN, GB, BSW - **Material:** High Strength Steel - **Grade:** with Harden - **Head type:** CSK head or round head - **Head Style:** Counter Sunk Bolt - **Groove:** No - **Finish:** Zinc/black /hot ganvinized. Available configurations include standard, material, head style, grade and head type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 ton at US$888.00 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 High Quality Polished Common Nail? The listed minimum order is 1 ton, at US$888.00 per ton. 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 High Quality Polished Common Nail? Type: Common Nail, Countersunk Head; Standard: DIN, GB, BSW; Material: High Strength Steel; Grade: with Harden; Head type: CSK head or round head; Head Style: Counter Sunk Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, material, head style, grade and head type. 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/) ## 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