---
title: "China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch"
description: "China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch — Flat & Other Precision Washers. Material: Brass. MOQ 100 pieces, US$0.18 – 0.42."
url: https://engineeringhardware.com/product/china-precision-customized-ring-washer-c101-copper-thickness-0-045inch/
source: Engineering Hardware & Fasteners
---

# China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch

[![China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch](https://img.engineeringhardware.com/China-Precision-Customized-Ring-Washer-C101-Copper-thickness-0-045inch.webp)](https://img.engineeringhardware.com/China-Precision-Customized-Ring-Washer-C101-Copper-thickness-0-045inch.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Washers › Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/china-precision-customized-ring-washer-c101-copper-thickness-0-045inch.md)

Model no. **Custom Washer (JY552)**

US$0.18 – 0.42 / piece

MOQ 100 pieces · Final price confirmed in your quote

- **Customized:** Yes
- **Package Size:** 15.00cm * 10.00cm * 4.00cm
- **Material:** Brass
- **Available Materials Include:** -
- **Other Specialized Materials:** Fiber-Reinforced Plastics (e.g., Glass-Filled Nylon, Glass-Filled PEEK, FR4), Ultem(PEI), Linen Phenolic, and more.
- **Surface Treatment:** _________________
- **Electroplating:** Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip
- **Screw Cold Heading and Rolling:** Metric 0.8-M16

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20China%20Precision%20Customized%20Ring%20Washer%2C%20C101%20Copper%2C%20thickness%200.045inch%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fchina-precision-customized-ring-washer-c101-copper-thickness-0-045inch%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

| Model NO. | Custom Washer (JY552) |
| --- | --- |
| Combination Washer Structure | Customized |
| Customized | Yes |
| Drawing | Acceptable |
| Samples | Acceptable |
| Certification | ISO9001 |
| Transport Package | Polybag+Export Strong Carton |
| Specification | Standard or Non-standard |
| Origin | China |
| HS Code | 7318290000 |
| Production Capacity | 5000000/Month |
| Package Size | 15.00cm * 10.00cm * 4.00cm |
| Package Gross Weight | 0.500kg |
| Customization | Available |
| Type | Flat Gasket |
| Material | Brass |
| Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| Precision Fastener | Standard & Custom Solutions |
| Available Materials Include | - |
| Metals | Carbon Steel, Stainless Steel, Brass, Aluminum Alloy |
| Engineering Plastics | Nylon, POM, PC |
| High-Performance Plastics | PTFE, PEEK |
| Other Specialized Materials | Fiber-Reinforced Plastics (e.g., Glass-Filled Nylon, Glass-Filled PEEK, FR4), Ultem(PEI), Linen Phenolic, and more. |
| Product | _________________ |
| Dimensions | _______ (Diameter) × _______ (Length) |
| Dimension precision | _________________ |
| Order Quantity | _______________ pcs |
| Surface Treatment | _________________ |
| Application place | _________________ |
| Required Delivery Date | __________________ |
| Shipping Destination | _______________ (Country, including postal code) |
| Injection Molding | Company Profile |
| Our core values | Professional, Reliable, Cost-efficient, and Sustainable. |
| Packaging Specification | 1. We have several sizes of packing dimensions, can be 10kg or 15kg per carton; |
| Electroplating | Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip |
| Auto Lathe Turning | ODΦ1.0-20mm, Tolerance.±0.01mm |
| CNC Lathe Turning | ODΦ1.0-460mm,Tolerance.±0.005mm |
| CNC Milling | 800x600mm(LxW),Tolerance.±0.05mm |
| Grinding | Tolerance.±0.002mm |
| Screw Cold Heading and Rolling | Metric 0.8-M16 |
| Injection | 300T Max |
| Stamping | 250T Max |
| Category | [Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) |

## Technical parameters

| Available Material | 1. Stainless Steel: AISI303, AISI304, AISI316, AISI416, AISI420,etc. |
| --- | --- |
| 2. Free Cutting Steel:12L14,1215,etc. |  |
| 3. Brass:C37700 ( HPb59), C38500( HPb58),C27200(CuZn37), C28000(CuZn40/H62),C3604,etc. |  |
| 4. Bronze: C51000, C52100, C54400,CuSn8,etc. |  |
| 5. Steel:C45(K1045), C20,etc |  |
| 6. Aluminum: Al6061, Al6063, etc. |  |
| 7. Carbon Steel:AISI1006,AISI1010,AISI1022,etc. |  |
| 8. Alloy Steel: SCM435,10B21,etc. |  |
| 9. PA6,PA66,PP,PC,POM,PEEK(FOR Injection) |  |
| 10. According to customer's requirement |  |
| Finish | Electroplating: Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip Galvanizing, Black Oxide Coating, Black Anodizing, etc |
| Powdering, Rust Preventive Oil, Silver plating, etc |  |
| Testing Equipment | CMM, Projector, Pull Tester, Automatic Optic Inspector, Projecting Apparatus |
| Salt Spray Test, Durometer, Coating Analyzer, Tensile Machine |  |
| Management System | ISO9001/SGS/Rohs/IATF16949 |
| Certification | SGS,RoHS,Material Certification,PPAP |
| Production Capability | Auto Lathe Turning: ODΦ1.0-20mm, Tolerance.±0.01mm |
| CNC Lathe Turning:ODΦ1.0-460mm,Tolerance.±0.005mm |  |
| CNC Milling:800x600mm(LxW),Tolerance.±0.05mm |  |
| Grinding: Tolerance.±0.002mm |  |
| Screw Cold Heading and Rolling: Metric 0.8-M16 |  |
| Injection:300T Max |  |
| Stamping:250T Max |  |

## Description

China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch is part of our flat & other precision washers range (Washers).

### Key details

- **Type:** Flat Gasket
- **Material:** Brass
- **Surface Treatment:** _________________
- **Certification:** ISO9001
- **Combination Washer Structure:** Customized
- **Drawing:** Acceptable
- **Precision Fastener:** Standard & Custom Solutions
- **Available Materials Include:** –

Available configurations include customized, package size, material, available materials include and other specialized materials. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.18 – 0.42 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 China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch?

The listed minimum order is 100 pieces, at US$0.18 – 0.42 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 China Precision Customized Ring Washer, C101 Copper, thickness 0.045inch?

Type: Flat Gasket; Material: Brass; Surface Treatment: _________________; Certification: ISO9001; Combination Washer Structure: Customized; Drawing: Acceptable. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include customized, package size, material, available materials include and other specialized materials. 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 flat & other precision washers are available?

The Flat & Other Precision Washers category lists 8,437 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-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

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