How do you control quality?

Our QC team inspects every production link for each batch of goods. We can also provide you with MTC and mill certificates upon completion of the goods.

Do you provide free samples?

For new customers, we offer free samples of standard fasteners, with clients covering the express charges. Returning customers receive free samples with express charges covered by us.

Do you accept small orders?

Yes, we accept orders of any size and maintain a large stock of various fasteners. We can also produce fasteners quickly to meet your needs.

What is your delivery time?

If the goods are in stock, we can deliver them within 15 days. For larger quantities, delivery may take 25-35 days.

How do you pack your products?

Our standard packing is 20-25kg per carton, with 36 or 48 cartons per pallet. We can also customize cartons with logos or according to customer requirements.

What payment methods do you accept?

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

Carbon Steel Hex Nuts with Black Surface

Name: Carbon Steel Hex Nuts with Black Surface
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2115244195

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Standard

ISO

System of Measurement

Metric

Model NO.

DIN985

Product Name

Hex Nut

Measurement System

Metric

Finish

Zinc/Black Plated/HDG

Application

General Industry

Origin

Zhejiang, China

Production Capacity

100000 Piece/Pieces Per Month

Key features

OEM/ODM Services Available: Accepts custom orders based on client designs or samples with flexible customization options.

ISO9001 Quality Management: Strict quality control measures ensure all products are 100% qualified and meet ISO standards.

Lifetime Warranty Coverage: Provides a lifetime warranty for all mechanical defects on our fastener products.

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

Customizable Packaging: Standard packing is 20-25kg/carton; logos and custom requirements are available.

Fast Delivery Options: Stock items deliver within 15 days; large quantities take 25-35 days.

MTC and Mill Certificates: Quality certificates provided upon completion of goods for every batch.

Flexible 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: ≤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 you a manufacturer or trading company?

Ningbo Steel Bolt Co., Ltd is a manufacturer of fasteners with years of experience in producing Bolts, Nuts, Threaded Rods, and Washers in Ningbo, China.

Q:Do you provide OEM/ODM services?

Yes, Ningbo Steel Bolt Co., Ltd accepts OEM/ODM orders.

Q:How do you guarantee quality?

We have strict quality control measures in place, following the ISO9001 quality management system, to ensure that all our products are 100% qualified. We also offer a lifetime warranty.

Q:How can I trust you?

Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China with a Gold membership on *** and Made in China. We have credit guarantees from *** Group, allowing you to place orders directly through ***.

Q:What about your pricing?

We offer high-quality products at competitive prices. Please inquire with us, and we will provide you with a quote promptly.