Tin Plated Spring Lock Washer, Split Lock Washer for Anti-Loosening Industrial Fastening

Name: Tin Plated Spring Lock Washer, Split Lock Washer for Anti-Loosening Industrial Fastening
Brand: Ningbo Oukailuo Hardware Co., Ltd.
SKU: 2291346715

Zhejiang, ChinaNingbo Oukailuo Hardware Co., Ltd.

US$0.005-5.00

50,000 Pieces

Product specifications

Specification

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Groove

Non

Connection

Non

Head Style

Round

Standard

DIN, GB, ANSI, BSW, JIS, GOST, Accrording to The Drawing or Samples.

Grade

4.8

Size

M3 - M20 / Custom

Thread Type

Standard Metric

MOQ

100000PCS

Surface Treatment

Tin Plated

Transport Package

Standard Packaging or Customized

Specification

Standard Specifications or Customized

Trademark

OUKAILUO

Origin

Zhejiang, China

HS Code

7318159090

Production Capacity

60000000PCS/Year

Key features

customized

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceODM Services

Ningbo Oukailuo Hardware Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 14 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤7.31h

AI-Powered supplier vetting

SummaryThe supplier is a fastener manufacturer with capabilities spanning R&D, design, production, quality control, and after-sales service. It reports recent new-product development, ODM services, OEM experience with well-known brands, sample-based customization, five production lines, and approximately one-month lead times in both peak and off-peak periods. However, the available evidence also identifies important limitations: no supplier-management certification is listed, service procedures lack records, no overseas warehouse, showroom, agent, branch, or offline trade-show participation is reported, and no factory environmental impact assessment or regular fire drills were reported. Financial information is represented only by year labels, without substantive financial metrics, so credibility cannot be determined from the provided slices.

Supplier typeThe supplier describes itself as a fastener producer covering R&D, design, manufacturing, quality control, and after-sales service. Its reported five production lines and OEM/ODM activities support classification as a manufacturer rather than only a trading or service intermediary.

CertificationsThe supplier-management certification field is explicitly recorded as “NIL,” and no other certification is identified in the provided evidence. This is a stated absence of certification information rather than merely incomplete documentation.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two years of R&D engineer experience in the supplied data. These points support active product development, although the reported absence of an available SDK limits evidence of software or integration-oriented R&D capability.

Production capacityThe supplier reports five production lines, fastener-production experience, CNC machining with micron-level precision, and one-month lead times in both peak and off-peak seasons. Its Ningbo location and access to Ningbo and Shanghai ports further support logistics, although production capacity volume is not quantified.

Customization capabilityThe supplier explicitly offers customization from samples, ODM services, and custom-machined parts using CNC lathes. This provides direct evidence of both sample-based and design-oriented customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of customer experience with recognized-brand projects. However, no customer names, project details, or verifiable case records are provided, so the breadth and quality of its customer portfolio cannot be fully evaluated.

Product Q&A

Q:Could you provide free samples?

For our regular products, we offer free samples. For customized screws,bolts, tooling and moulding charges need. All free samples not including its courier charge.

Q:How do you control your quality?

We have our in-house QC daily and advanced optical inspection equipment.You could hire third party for randomly inspection.