What is your quality control process?

We follow the ISO9001 system with strict QC from raw materials to finished products, providing MTC and mill certificates.

Can I place small orders?

Yes, we accept any order size and maintain stock for various fasteners to ensure quick production.

Is customized packaging available?

Yes, our standard packaging is 20-25kg per carton, but customized options are available upon request.

Heavy-Duty En14399-3 Hex Bolts Pack

Name: Heavy-Duty En14399-3 Hex Bolts Pack
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2121029105

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Type

Hexagon Head

Model NO.

EN14399

Head Style

Hexagonal

Application

Machinery, Chemical Industry, Environmental, Building, Industry

Finish

Plain

Packing

Cartons+Plastic Bags

Head Type

Hexagon Head

Surface Treatment

Black Oxide

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty Support: Covers mechanical defects with free parts and labor for the entire product life.

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

OEM/ODM Services Available: Accepts customization from samples, designs, and full or minor customization requests.

Fast Delivery for Stock Items: Stocked items can be delivered within 15 days; larger quantities take 25-35 days.

Free Samples for New Customers: New clients receive free standard fastener samples; client covers express charges.

Flexible Order Acceptance: Accepts any order size with maintained stock for various fasteners and quick production.

Customized Packaging Options: Standard 20-25kg per carton with customized packing options available upon request.

Comprehensive Payment Terms: Accepts T/T, L/C, D/P for general orders and PayPal/Western Union for small orders.

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.

Product Q&A

Q:Are OEM and ODM services available?

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

Q:What is the warranty period?

We provide lifetime warranty support covering all mechanical defects with free parts and labor.

Q:How long does delivery take?

Stocked items are delivered within 15 days, while larger quantities may take 25-35 days.

Q:Do you offer free samples?

New customers receive free samples for standard fasteners (client pays express), while old customers get free samples with us covering express charges.

Q:What payment methods do you accept?

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