How do you control quality?

Ningbo Bolt's QC team inspects every production link for each batch of goods. We provide Material Test Certificates (MTC) and mill certificates upon completion.

Do you provide free samples?

New customers can receive free samples of standard fasteners, with express charges covered by the client. Returning customers will 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 Bolts, Nuts, Threaded Rods, and Washers. Custom production is also available.

What is your delivery time?

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

What is your packaging?

Our standard packaging is 20-25kg per carton, with 36 or 48 cartons per pallet. Customized packaging with customer logos is available upon request.

What are your payment terms?

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

Premium Quality ASTM A563 Gr Dh Nuts

Name: Premium Quality ASTM A563 Gr Dh Nuts
Brand: Ningbo Steel Bolt Co., Ltd
SKU: 2113515315

Zhejiang, ChinaNingbo Steel Bolt Co., Ltd

US$0.10-1.00

1,000 Pieces

Product profile

Customization

Available

Material

Steel

Standard

ANSI

Model NO.

A563

Grade

6 8 10

System of Measurement

Metric

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

ISO9001 Certified Quality: Strict quality control measures from raw materials to finished products.

Lifetime Warranty Coverage: All products are 100% qualified with a lifetime warranty included.

OEM and ODM Services: Customization available from samples, designs, and full customization options.

Material Test Certificates: MTC and mill certificates provided upon completion of every batch.

Flexible Delivery Time: 15 days for stock items, 25-35 days for larger quantities.

Free Samples for New Clients: Standard fasteners provided free, client covers express charges.

Customized Packaging: Standard 20-25kg/carton with customer logos available upon request.

Multiple Payment Options: Accepts T/T, L/C, D/P, Paypal, and Western Union.

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?

The 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:Are OEM/ODM services provided?

Yes, Ningbo Bolt accepts OEM/ODM orders.

Q:How do you guarantee quality?

Ningbo Bolt follows strict quality control measures from raw materials to finished products, adhering to the ISO9001 quality management system. We ensure all products are 100% qualified and offer a lifetime warranty.

Q:How can I trust you?

Ningbo Steel Bolt Co., Ltd is a reputable fasteners factory in China with extensive experience in producing Bolts, Nuts, Threaded Rods, and Washers. We are a Gold member of *** and Made in China, with credit guarantees from *** Group. Orders can be placed directly through ***.

Q:What about your pricing?

We offer high-quality products at competitive prices. Please inquire for a quote from Ningbo Bolt.