Do you provide quality certificates?

Yes, each production link is inspected, and we provide Material Test Certificates (MTC) and mill certificates upon completion.

What is the minimum order quantity?

We accept orders of any size and maintain stock for various fasteners.

What is your quality control standard?

We maintain strict quality control according to the ISO9001 quality management system, ensuring 100% qualified products.

SAE Standard Carbon Steel Flat Washer Plain Finish

Name: SAE Standard Carbon Steel Flat Washer Plain Finish
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2119371345

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Type

Stamping

Material

Steel

Model NO.

SAE

Product Name

Flat Washer

Standard

DIN

Finish

Plain

Application

General Industry

Surface Treatment

Zincplated

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty Support: Covers all mechanical defects with free parts and labor for the machine's entire life.

OEM/ODM Services Available: Accepts customization from samples, designs, and offers flexible customization options.

ISO9001 Quality Certified: Strict quality control maintained from raw materials to finished products ensuring 100% qualified items.

Material Test Certificates: Provides MTC and mill certificates upon completion for every production link.

Flexible Delivery Options: Stock items delivered within 15 days; larger quantities take 25-35 days.

Free Sample Policy: New customers get free samples (client pays express); old customers get free samples (company pays).

DIN Standard Compliance: Manufactured according to DIN standards for general industry applications.

Multiple Payment Methods: Accepts T/T, L/C, D/P, PayPal, and Western Union for various order sizes.

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: ≤15h

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.

Product Q&A

Q:What is the warranty period?

We provide lifetime warranty support for all our products.

Q:Do you offer OEM or ODM services?

Yes, we accept OEM/ODM services including customization from samples, designs, and flexible customization.

Q:What is the delivery time for stock items?

Stock items can be delivered within 15 days, while larger quantities may take 25-35 days.

Q:Can I get free samples?

New customers can receive free samples for standard fasteners (client covers express charges). Old customers receive free samples with express charges paid by the company.

Q:What payment methods do you accept?

We accept T/T, L/C, D/P for general orders, and PayPal/Western Union for small or sample orders.