What is the delivery time for orders?

Delivery time is about 7-15 days after all details confirmed and able to offering fast delivery for urgent order.

What certifications do your products have?

We provide ISO9001:2008, SGS testing report & RoHS certifications.

NF E 25-511 Stainless Steel Knurling Disc Spring Conic Contact Lock Washer with Teeth

Name: NF E 25-511 Stainless Steel Knurling Disc Spring Conic Contact Lock Washer with Teeth
Brand: Shenzhen Conghui Precision Hardware Co., Ltd.
SKU: 1959759502

Guangdong, ChinaShenzhen Conghui Precision Hardware Co., Ltd.

US$0.01-0.20

1,000 Pieces

Product profile

Customization

Available

Type

Conical Contact Washers

Material

Steel

Combination Washer Structure

B Type

Spring Washer Type

Standard

Product Name

Knurling Disc Spring Conic Contact Lock Washer

Certificate

ISO9001:2008, SGS Testing Report & RoHS

Washer Type

Wave Gasket,Spring Washer,Tab Washer,Lock Washer

OEM

Available

Transport Package

General Export Package

Specification

M1.6-M39 or as per your request

Trademark

CONGHUI

Origin

Guangdong, China

HS Code

3919109900

Production Capacity

1000000PCS/Week

Key features

Wide Material Selection: Available in SS201/304/316, Carbon Steel, Titanium, Aluminum, and Brass.

Customizable Sizes: Sizes range from M1.6 to M39, or customized according to customer requests.

Multiple Finishing Options: Offers Zn-plated, Ni-plated, Black Oxide, Anodize, and other surface treatments.

Strict Quality Standards: Complies with ISO, GB, DIN, JIS, ANSI, and BSW standards with SGS/RoHS certs.

Fast Delivery: Delivery time is about 7-15 days after details confirmation for urgent orders.

OEM Service Available: Supports OEM services for Knurling Disc Spring Conic Contact Lock Washers.

20 Years Experience: Professional manufacturer with 20 years of production and management experience.

Global Market Reach: Products are widely sold in North America, Southeast Asia, and Europe.

Company profile

Shenzhen Conghui Precision Hardware Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.05h

AI-Powered supplier vetting

SummaryShenzhen Conghui Precision Hardware Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, supplying fasteners, hardware, and tools. It demonstrates broad customization and ODM capabilities, reports new products within the past year, and provides OEM services for well-known brands. Service processes for corrective actions and customer complaints are documented and supported by records, while supplier-service qualification procedures exist but lack records. Production-related evidence is mixed: reported lead time is within 15 working days in both peak and off-season, but no in-stock, overseas warehouse, overseas branch/agent, or overseas showroom capability is reported. Financial period information is present for three years, but no financial performance details are provided. Audit information identifies TÜV Rheinland, although the audit result is recorded as 0 and the report validity ended on 2025-02-23. Raw-material traceability, quality assurance...

Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, with limited-company ownership and a business scope covering molds, bicycle accessories, forged and stamped parts, auto and motorcycle parts, and hardware products. Its stated product scope is fasteners, hardware, and tools, indicating a supplier with both manufacturing and trading characteristics.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints. It accepts multiple service quotation and payment terms, but has no overseas agents or branches, no overseas showroom, no overseas warehouse, and reports service coverage in 0 countries, limiting evidence of international after-sales reach.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and offers multiple design-development options. It does not have an available SDK, but the evidence supports product and design innovation capability for physical products.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting a broad customization capability.

Client casesThe supplier reports providing OEM services for well-known brands, which is direct evidence of at least one type of customer engagement. However, no customer names, project details, volumes, or independently verifiable case records are provided, so the breadth and strength of its customer case history cannot be fully assessed.

Product Q&A

Q:Are you a Trading company or a Manufacturer?

We are an Industry&Trade Company.

Q:What is your product range?

Our product range includes screws, nuts, knobs, bolts, washers, rivet, anchor and CNC parts. We strictly implement various quality standards like GB, ISO, DIN, JIS, AISI NFE and BSW.Non-standard products also accepted.

Q:Why should I choose you? What are your advantages?

We are a professional manufacturer and have 20 years production and management experience in the field of fasteners . We can provide our customers with a good solution in the area of production design, production process,packaging and after-sale service.Customer satisfaction is our sole pursuit.

Q:Which industry fields are your products suitable for?

Our products are widely use in machine assembling, electronics, constructional engineering furniture cabinets, etc.

Q:What materials are available for this washer?

Materials include Stainless Steel (SS201, SS303, SS304, SS316, SS410, SS420), Carbon Steel (4.8, 6.8, 8.8, 10.9, 12.9), Titanium (GR1-GR5), Aluminum, and Brass.