Is OEM/ODM service available?

Yes, we accept OEM/ODM services with options for full customization, minor customization, and flexible customization.

What certifications do you have?

We follow the ISO9001 quality management system and provide MTC and mill certificates for every production link.

What is the standard packaging?

Our standard packaging is 20-25kg per carton, with custom logo options available.

DIN Standard Hardened Flat Structural Washers

Name: DIN Standard Hardened Flat Structural Washers
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2118041045

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Type

Flat Gasket

Material

Steel

Model NO.

ASTM F436

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Packing

Cartons+Plastic Bags

Standard

DIN

Finish

Plain

Application

Industry

Surface Treatment

Hot DIP Galvanized

Transport Package

Carton+Pallet

Specification

M6-M100

Trademark

ningbo-bolt

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

DIN Standard Compliance: Manufactured to DIN standards for structural washers ensuring global compatibility.

Hot Dip Galvanized Finish: Surface treated with hot dip galvanized coating for superior corrosion resistance.

Lifetime Warranty Support: Comprehensive lifetime warranty covering mechanical defects and quality issues.

ISO9001 Certified Quality: Strict quality control processes certified under ISO9001 management system.

Free Samples for New Clients: New customers receive free standard fastener samples (client covers express).

OEM/ODM Services Available: Full customization options including designs, samples, and minor adjustments.

Fast Delivery for Stock Items: Stocked items delivered within 15 days; large orders take 25-35 days.

MTC and Mill Certificates: Quality inspection reports and mill certificates provided upon order completion.

Company profile

High Repeat Buyers Choice

Ningbo Steel Bolt Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Ningbo PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier and operates as a combined company involved in producing and selling fasteners, hardware products, auto parts, and oil pipeline fittings. It supports extensive product customization, including samples, designs, full customization, minor customization, and flexible customization. The supplier reports two production lines and one presence in a main export market, with an average lead time of one month in both peak and off-season periods. However, it lacks 3D software design services, SDK availability, in-stock capacity, overseas warehouses, overseas agents or branches, and offline trade-show participation. Finished products are checked by packing staff, while no written procedures or records are used for assessing service capability. The provided information does not establish certifications, financial strength, after-sales performance, or customer case history.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. It is a combined company whose stated business scope includes production and sales of fasteners, hardware products, auto parts, and oil pipeline fittings, as well as related import and export activities.

R&D capabilityThe supplier is identified as having professional technical research and development capability, and it offers multiple forms of customization. However, it explicitly does not provide 3D software design services and has no available SDK, so the evidence supports technical customization but not broader digital or software innovation capability.

Production capacityThe supplier reports two production lines, one-month average lead times in both peak and off-season, and six years of exporting experience. Countervailing controls are limited: finished products are checked by packing staff, there is no continuous quantity reconciliation for each batch or production run, no outsourcing SOP, no valid manufacturing-capacity contract with related subcontractors, and no in-stock capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad product-design and modification capability, although 3D software design services are not available.