--- title: "Premium Custom Countersunk Stainless Steel Washers for Versatile Applications" description: "Premium Custom Countersunk Stainless Steel Washers for Versatile Applications — Countersunk & Flat-Head Machine Screws. MOQ 1 piece, US$0.60 – 2.40." url: https://engineeringhardware.com/product/premium-custom-countersunk-stainless-steel-washers-for-versatile-applications/ source: Engineering Hardware & Fasteners --- # Premium Custom Countersunk Stainless Steel Washers for Versatile Applications [![Premium Custom Countersunk Stainless Steel Washers for Versatile Applications](https://img.engineeringhardware.com/Premium-Custom-Countersunk-Stainless-Steel-Washers-for-Versatile-Applications.webp)](https://img.engineeringhardware.com/Premium-Custom-Countersunk-Stainless-Steel-Washers-for-Versatile-Applications.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/premium-custom-countersunk-stainless-steel-washers-for-versatile-applications.md) Model no. **MACH-0001** US$0.60 – 2.40 / piece MOQ 1 piece · Final price confirmed in your quote - **Standard:** Based on Drawing - **Surface Treatment:** Anodizing - **Material:** Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron - **Tolerance:** 0.01+/- 0.005mm (Custom Available) - **Package Size:** 15.00cm * 15.00cm * 15.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Custom%20Countersunk%20Stainless%20Steel%20Washers%20for%20Versatile%20Applications%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-custom-countersunk-stainless-steel-washers-for-versatile-applications%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 | | --- | --- | | Application | Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory | | Standard | Based on Drawing | | Model NO. | MACH-0001 | | Surface Treatment | Anodizing | | Production Type | Mass Production | | Machining Method | CNC Machining | | Material | Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron | | Drawing Format | Standard Style or Step, STP, Gis, CAD, Pdf, Dwg | | Certificate | ISO9001:2015 | | Process | CNC Turning, Milling, CNC Machining, Lathe | | Tolerance | 0.01+/- 0.005mm (Custom Available) | | Roughness | Ra0.2-Ra3.2 (Custom Available) | | QC Control | 100% Inspection on Critical Dimensions | | Delivery Time | Sample Day: Within 7 Days; Mass Production : 15~45 | | Name | Custom CNC Machining Parts | | Service | OEM CNC Machining Services | | Transport Package | Carton or Customized | | Specification | customized | | Origin | Xiamen | | HS Code | 8414909090 | | Production Capacity | 10000/Week | | Package Size | 15.00cm * 15.00cm * 15.00cm | | Package Gross Weight | 2.000kg | | CNC turning work range | φ0.5mm-φ150mm*300mm. | | CNC milling work range | 510mm*1020mm*500mm. | | Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) | ## Technical parameters | Material | 1) Aluminum: AL 6061-T6, 6063, 7075-T etc. | | --- | --- | | 2) Stainless steel: 303, 304, 316L, 17-4(SUS630) etc. | | | 3) Steel: 4140, Q235, Q345B, 20#, 45# etc. | | | 4) Titanium: TA1, TA2/GR2, TA4/GR5, TC4, TC18 etc. | | | 5) Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90) etc. | | | 6) Copper, Bronze, Magnesium alloy, Delrin, POM, Acrylic, PC, etc. | | | Finsh | Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish. | | Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing. | | | Electroplating chromium, Electrophoresis, QPQ(Quench-Polish-Quench). | | | Electro Polishing, Chrome Plating, Knurl, Laser etch Logo, etc. | | | Main Equipment | CNC machining center(Milling), CNC Lathe, Grinding machine. | | Cylindrical grinder machine, Drilling machine, Laser cutting machine, etc. | | | Drawing format | STEP, STP, GIS, CAD, PDF, DWG, DXF etc or samples. | | Tolerance | +/-0.01mm ~ +/-0.05mm | | Surface roughness | Ra 0.1~3.2 | | Inspection | Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier, CMM. | | Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge. | | | Capacity | CNC turning work range: φ0.5mm-φ150mm*300mm. | | CNC milling work range: 510mm*1020mm*500mm. | | ## Description Premium Custom Countersunk Stainless Steel Washers for Versatile Applications is part of our countersunk & flat-head machine screws range (Screws). ### Key details - **Standard:** Based on Drawing - **Material:** Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron - **Surface Treatment:** Anodizing - **Application:** Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory - **Production Type:** Mass Production - **Machining Method:** CNC Machining - **Drawing Format:** Standard Style or Step, STP, Gis, CAD, Pdf, Dwg - **Certificate:** ISO9001:2015 Available configurations include standard, surface treatment, material, tolerance and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$0.60 – 2.40 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 Premium Custom Countersunk Stainless Steel Washers for Versatile Applications? The listed minimum order is 1 piece, at US$0.60 – 2.40 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 Premium Custom Countersunk Stainless Steel Washers for Versatile Applications? Standard: Based on Drawing; Material: Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron; Surface Treatment: Anodizing; Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory; Production Type: Mass Production; Machining Method: CNC Machining. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include standard, surface treatment, material, tolerance and package size. 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/) [![M1.2 M1.4 M1.6 M1.7 M2 M2.5 M3 M4 M5 Cross Recessed Phillips Csk Countersunk Flat Head Machine Screws](https://img.engineeringhardware.com/M1-2-M1-4-M1-6-M1-7-M2-M2-5-M3-M4-M5-Cross-Recessed-Phillips-Csk-Countersunk-Flat-Head-Machine-Screws.webp)](https://engineeringhardware.com/product/m1-2-m1-4-m1-6-m1-7-m2-m2-5-m3-m4-m5-cross-recessed-phillips-csk-countersunk-flat/) Countersunk & Flat-Head Machine Screws ### [M1.2 M1.4 M1.6 M1.7 M2 M2.5 M3 M4 M5 Cross Recessed Phillips Csk Countersunk Flat Head Machine Screws](https://engineeringhardware.com/product/m1-2-m1-4-m1-6-m1-7-m2-m2-5-m3-m4-m5-cross-recessed-phillips-csk-countersunk-flat/) Countersunk Head · DIN, GB, ANSI, BSW, JIS **US$0.03 – 0.06**MOQ 1,000 pieces [![Customized Outer Hexagon Countersunk Round Nuts, Stainless Steel SUS303 Hex Step Nuts](https://img.engineeringhardware.com/Customized-Outer-Hexagon-Countersunk-Round-Nuts-Stainless-Steel-SUS303-Hex-Step-Nuts.webp)](https://engineeringhardware.com/product/customized-outer-hexagon-countersunk-round-nuts-stainless-steel-sus303-hex-step-nuts/) Countersunk & Flat-Head Machine Screws ### [Customized Outer Hexagon Countersunk Round Nuts, Stainless Steel SUS303 Hex Step Nuts](https://engineeringhardware.com/product/customized-outer-hexagon-countersunk-round-nuts-stainless-steel-sus303-hex-step-nuts/) GB, EN, China GB Code, JIS Code, TEMA, ASME · Nylon, Steel, Plastic, B… **US$0.42 – 0.54**MOQ 100 pieces [![Premium Torx Countersunk Head Screws with Steel and Nickel Finish](https://img.engineeringhardware.com/Premium-Torx-Countersunk-Head-Screws-with-Steel-and-Nickel-Finish.webp)](https://engineeringhardware.com/product/premium-torx-countersunk-head-screws-with-steel-and-nickel-finish/) Countersunk & Flat-Head Machine Screws ### [Premium Torx Countersunk Head Screws with Steel and Nickel Finish](https://engineeringhardware.com/product/premium-torx-countersunk-head-screws-with-steel-and-nickel-finish/) Countersunk Head · GB **US$0.012 – 0.06**MOQ 1,000 pieces [![Stainless Steel A2 Solid Fisheye Conical Concave Cup Countersunk Washer](https://img.engineeringhardware.com/Stainless-Steel-A2-Solid-Fisheye-Conical-Concave-Cup-Countersunk-Washer.webp)](https://engineeringhardware.com/product/stainless-steel-a2-solid-fisheye-conical-concave-cup-countersunk-washer/) Countersunk & Flat-Head Machine Screws ### [Stainless Steel A2 Solid Fisheye Conical Concave Cup Countersunk Washer](https://engineeringhardware.com/product/stainless-steel-a2-solid-fisheye-conical-concave-cup-countersunk-washer/) Stamping · White Zinc .Yellow Zinc. 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