What is your quality control process?

We follow ISO9001 quality management systems. Our QC team inspects every production link, providing MTC and mill certificates upon completion.

Can you customize the packaging?

Yes, our standard packaging is 20-25kg per carton, with options for customized logos or cartons.

What is the minimum order quantity?

We accept all orders and maintain stock for various fasteners, so there is no strict minimum order quantity.

Heavy Duty Industrial Hex Nuts Pack

Name: Heavy Duty Industrial Hex Nuts Pack
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2117732485

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Standard

ISO

Model NO.

DIN934

Grade

4 6 8

System of Measurement

Metric

Product Name

Hex Nut

Measurement System

Metric

Finish

Zinc/Black Plated/HDG

Application

General Industry

Transport Package

Cartons+Plastic Bags

Specification

M20

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

Lifetime Warranty: 100% qualified products with a lifetime warranty for all mechanical defects.

OEM/ODM Support: We accept OEM/ODM services and offer full customization from samples or designs.

ISO9001 Certified: Strict quality control processes ensuring 100% qualified products with MTC.

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

Free Samples: New customers get free standard samples; old customers get free samples with shipping covered.

Flexible Payment: Accept T/T, L/C, D/P, PayPal, and Western Union for various order sizes.

Custom Packaging: Standard 20-25kg/carton with options for customized logos or cartons.

Gold Member Trust: Trusted Gold member with credit guarantees and direct order placement.

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 a lifetime warranty for all our products, covering mechanical defects with free parts and labor.

Q:Do you accept OEM or ODM orders?

Yes, we accept OEM/ODM services. We offer customization from samples, designs, and full customization options.

Q:What is the delivery time for orders?

Stock items can be delivered within 15 days. For larger quantities, the delivery time is 25-35 days.

Q:Are free samples available?

Yes. New customers can receive free standard fastener samples (client pays express charges). Old customers receive free samples with express charges covered by us.

Q:What payment terms do you accept?

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