What is your quality control process?

Every production link is inspected by our QC team, following the ISO9001 system to ensure 100% qualified products with MTC and mill certificates provided.

Do you accept small orders?

Yes, we accept orders of any size and maintain stock for various fastener products.

What is the packaging standard?

Products are packed in 20-25kg cartons, with customization options available for logos and carton design.

Zhejiang Stainless Steel Carriage Bolt

Name: Zhejiang Stainless Steel Carriage Bolt
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2113988015

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Standard

DIN

Model NO.

DIN603

Application

Industry

Finish

Plain

Head Type

Mushroom

Surface Treatment

Black Oxide

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

DIN Standard Compliance: Manufactured strictly according to DIN standards for universal compatibility.

Black Oxide Finish: Provides enhanced corrosion resistance with a professional black oxide surface treatment.

Mushroom Head Design: Features a mushroom head type suitable for various industrial fastening applications.

ISO9001 Certified Quality: Strict quality control from raw materials to finished products ensures 100% qualified goods.

Lifetime Warranty Support: Comprehensive warranty coverage provided for all mechanical defects throughout the product life.

OEM/ODM Services Available: Flexible customization options including samples, designs, and full customization services.

Fast Delivery for Stock Items: Goods currently in stock can be delivered within 15 days of order confirmation.

Free Samples for New Clients: New customers receive free standard fastener samples with express charges covered by the client.

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, covering mechanical defects.

Q:Do you accept OEM or ODM orders?

Yes, we accept OEM/ODM services with options for customization from samples, designs, or full customization.

Q:What is the delivery time for stock items?

Goods in stock 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, with express charges covered by the client. Old customers receive free samples with express charges paid by the company.

Q:What payment methods do you accept?

Accepted payment methods include T/T, L/C, D/P for general orders, and Paypal, Western Union for small or sample orders.