--- title: "Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener" description: "Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Cou… — Countersunk, Cup & Finishing Washers." url: https://engineeringhardware.com/product/factory-supply-customized-supported-cup-steel-material-304-or-zinc-plated-galvanized/ source: Engineering Hardware & Fasteners --- # Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener [![Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener](https://img.engineeringhardware.com/Factory-Supply-Customized-Supported-Cup-Steel-Material-304-or-Zinc-Plated-Galvanized-Countersunk-Cup-Washer-Fastener.webp)](https://img.engineeringhardware.com/Factory-Supply-Customized-Supported-Cup-Steel-Material-304-or-Zinc-Plated-Galvanized-Countersunk-Cup-Washer-Fastener.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Countersunk, Cup & Finishing Washers](https://engineeringhardware.com/fastener-products/washers/countersunk-cup-finishing-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/factory-supply-customized-supported-cup-steel-material-304-or-zinc-plated-galvanized.md) | **US$0.36**10,000–999,999 pieces | **US$0.036**1,000,000+ pieces | | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Testing Standard:** ISO 9001 - **Standard:** DIN,ASTM/ANSI JIS En ISO,as,GB - **Class/Grade:** 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 - **Surface Treatment:** Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H - **Material:** Stainless Steel - **Packing:** Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Supply%20Customized%20Supported%20Cup%20Steel%20Material%20304%20or%20Zinc%20Plated%20Galvanized%20Countersunk%20Cup%20Washer%20Fastener%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-supply-customized-supported-cup-steel-material-304-or-zinc-plated-galvanized%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 | Combination Washer Structure | A Type | | --- | --- | | Combination Washer Packaging | All Inclusive | | Spring Washer Type | Standard | | Testing Standard | ISO 9001 | | Standard | DIN,ASTM/ANSI JIS En ISO,as,GB | | Class/Grade | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | | Surface Treatment | Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H | | Transport Package | Carton and Pallet | | Specification | M3-M60; Customized | | Origin | China | | HS Code | 731822 | | Production Capacity | 500 Tons/Month | | Customization | Available | | Type | Finishing Countersunk Washer | | Material | Stainless Steel | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Packing | Products are packed in carton boxes or plastic bags. We offer OEM service, so customized packing is warmly welcomed. | | Delivery | 1. Express such as FedEX/ DHL/ UPS/ TNT for samples. | | Category | [Countersunk, Cup & Finishing Washers](https://engineeringhardware.com/fastener-products/washers/countersunk-cup-finishing-washers/) | ## Technical parameters | Products Name | Washer | | --- | --- | | Standards | DIN 125A; DIN9021; DIN440; DIN126; DIN433; ASTM USS &SAE; F436; JIS; ASME, GB | | Surface Treatment | Plain/ Self Color (S/C); Polished; Zinc Plated (ZP); Zinc Yellow (Y2P)Zinc CR 3+; Oxide Black; HDG (Hot Dip Galvanized); Nickel PlatedPhosphated ; Mechanical Galvanized; Dacromet; Geomet; Zinc Nickel Alloy Plated;Tin Plated | | Material | 304/316 Stainless Steel; Brass; Bronze; Steel; AlluminumCooper; Silicon Bronze; Alloy | | Size | M 3-M60; Customized | | Avaliable Packing | Bulk in cartons +wood Pallet or according to customer special demand | | Application | Food/ Chemical/ Pharmaceutical Industries, Aerospace, High-speed Rail, Automotive, Wire Connectors, Engines, Plumbing Fittings, Electronic Equipment | | Delivery Method | By sea/ By air/ By express | ## Description Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener is part of our countersunk, cup & finishing washers range (Washers). ### Key details - **Type:** Finishing Countersunk Washer - **Standard:** DIN,ASTM/ANSI JIS En ISO,as,GB - **Material:** Stainless Steel - **Surface Treatment:** Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H - **Combination Washer Structure:** A Type - **Combination Washer Packaging:** All Inclusive - **Spring Washer Type:** Standard - **Testing Standard:** ISO 9001 Available configurations include testing standard, standard, class/grade, surface treatment and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.036 – 0.36 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 Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener? The listed minimum order is 10,000 pieces, at US$0.036 – 0.36 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$0.36 for 10,000–999,999 pieces; US$0.036 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Factory Supply Customized Supported Cup Steel Material 304 or Zinc Plated Galvanized Countersunk Cup Washer Fastener? Type: Finishing Countersunk Washer; Standard: DIN,ASTM/ANSI JIS En ISO,as,GB; Material: Stainless Steel; Surface Treatment: Zinc(Yellow,White,Blue,Black),Hop DIP Galvanized(H; Combination Washer Structure: A Type; Combination Washer Packaging: All Inclusive. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include testing standard, standard, class/grade, surface treatment and material. 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, cup & finishing washers are available? The Countersunk, Cup & Finishing Washers category lists 492 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/countersunk-cup-finishing-washers/](https://engineeringhardware.com/fastener-products/washers/countersunk-cup-finishing-washers/) 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, Cup & Finishing Washers →](https://engineeringhardware.com/fastener-products/washers/countersunk-cup-finishing-washers/) [![Finishing Nail/Finshing Nail/Panel Pins/ Furniture Nail](https://img.engineeringhardware.com/Finishing-Nail-Finshing-Nail-Panel-Pins-Furniture-Nail.webp)](https://engineeringhardware.com/product/finishing-nail-finshing-nail-panel-pins-furniture-nail/) Countersunk, Cup & Finishing Washers ### [Finishing Nail/Finshing Nail/Panel Pins/ Furniture Nail](https://engineeringhardware.com/product/finishing-nail-finshing-nail-panel-pins-furniture-nail/) Finishing Nail · ANSI, DIN, GB, JIS **US$684.00 – 780.00**MOQ 5 tons [![Polished Hidden Head Trim Nails, Invisible Finishing Nails for Skirting Board 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