What are the lead times for production?

Lead time varies by season: within 15 workdays during off-peak, and 1-3 months during peak season.

Which international standards do you comply with?

We comply with DIN, GB, ISO, JIS, BA, ANSI, and other global standards.

What certifications does the company hold?

Our products are certified under ISO9001-2008, SGS, CTI, RoHS, ISO14000, and TS16949.

65mn Manganese DIN9250 Hardened Knurled Black Oxide Serrated Lock Washer

Name: 65mn Manganese DIN9250 Hardened Knurled Black Oxide Serrated Lock Washer
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2259360485

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.05

1,000-9,999 Pieces

US$0.03

10,000-99,999 Pieces

US$0.01

100,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Lock Washer

Material

Carbon Streel/Alloy Steel/Stainless Steel

Model NO.

DIN9250

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Size

Customized Size

Customized Support

OEM ODM Support

Package

Customer'require

Color

Customized Colors

Certificate

ISO9001:2015 ISO14000 Ts16949

Coating

Plain/Zinc Plated/Black Oxide/etc

Transport Package

Carton+Pallet

Specification

M1.6-M36

Trademark

Origin

Shanghai

HS Code

3926901000

Production Capacity

50000 Pieces/Year

Key features

Customized Size & Colors: Available in customized sizes and colors to meet specific project requirements.

OEM/ODM Support: Full OEM and ODM services available with customization from samples or designs.

Wide Material Selection: Carbon steel, stainless steel, alloy steel, and special materials like Incoloy and Monel.

Diverse Surface Finishes: Options include zinc plated, black oxide, hot-dip galvanized, and nickel plated.

Multiple Standards Compliance: Meets DIN, GB, ISO, JIS, BA, ANSI, and other international standards.

Comprehensive Certifications: Certified with ISO9001, SGS, CTI, RoHS, and ISO14000 TS16949.

Extensive Size Range: Product sizes cover M3 to M150 with lengths from 5mm to 12 meters.

Broad Application Scope: Suitable for structural steel, oil & gas, wind energy, automotive, and aerospace.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExperienced TeamExhibition Experience

Shanghai Borui Metal Products Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.00hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, focused on fasteners and related metal, mechanical, plastic, rubber, electrical, and photovoltaic products. It offers sample-, design-, and full-customization services, as well as ODM and OEM services, and reports export sales of 71%–90%. In-stock service is available, but there is no overseas warehouse, showroom, agent, or branch. Financial records are identified for 2022–2024, but no financial values or performance conclusions are provided. Service-process evidence is weak: no written corrective/preventive-action or complaint-handling procedures or records are available, while quality-assurance status and fire-drill status are unknown. No certifications, customer cases, or production facilities are explicitly documented.

Supplier typeThe supplier is identified as a limited company and trading company, with 41 employees, no stated parent-group affiliation, and a Shanghai registered and physical address. Its stated product scope centers on fasteners and related industrial products.

After-Sales capabilityThe supplier has in-stock service capacity, but it has no overseas warehouse, showroom, overseas agent, or branch. More importantly, no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records are available, indicating a documented after-sales process is not demonstrated.

R&D capabilityThe supplier lists research and development of metal products and hardware products, and offers ODM services. However, no SDK is available, and the information does not provide measurable R&D resources, patents, or development outcomes; the documented capability is therefore limited but present.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, together with ODM and OEM services for popular brands. These statements provide direct evidence of broad customization and design-manufacturing service capability.