What payment terms do you accept?

We accept Money Gram, LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is the product certified for quality?

Yes, our products are ISO9001 certified and undergo 100% visual and functional inspection.

What are the main application scenarios?

Our nuts are widely used in machinery, chemicals, buildings, and general industrial hardware.

Industrial-Grade Heavy-Duty Carbon Steel Self-Locking Nuts for Ultimate Durability

Name: Industrial-Grade Heavy-Duty Carbon Steel Self-Locking Nuts for Ultimate Durability
Brand: Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd
SKU: 2205563625

Guangdong, ChinaGuangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

US$0.07

1,000-49,998 Pieces

US$0.04

49,999-999,998 Pieces

US$0.01

999,999+ Pieces

Sample price:US$1.00/bag.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

12.9

Sampling

Unconstrained

Apply

Machinery, Chemicals, Buildings, etc

Delivery Time

3-20 Days

Export Market

Global

Productive Capacity

5 Million Pieces

Colour

Silver or Custom Color

Certificate

Is09001ect

Transport Package

Carton+Pallet

Specification

Trademark

JDS or customized

Origin

China

Production Capacity

5 Million/Month

Key features

Premium Material Grade: Made from high-strength Carbon Steel with Grade 12.9 for ultimate durability.

Global Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, and BSW international standards.

Custom Color Options: Available in Silver or Custom Color to meet specific project requirements.

ISO9001 Certified Quality: Manufactured under ISO9001 certification with 100% finished product inspection.

High Production Capacity: Capable of producing 5 Million Pieces with flexible customization options.

Fast Delivery Time: Efficient delivery within 3-20 days for global export markets.

Versatile Application: Ideal for Machinery, Chemicals, Buildings, and other industrial sectors.

30+ Years Experience: Backed by over 30 years of professional production and factory direct sales.

Company profile

ODM ServicesManagement CertificationProduction Process VisualizationStandardized quality control

Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2020-10-20Nearest Port: guangzhouAverage Response Time: ≤3.98h

AI-Powered supplier vetting

SummaryJundasheng Hardware & Electrical Co., Ltd. is a Guangzhou-based fastener manufacturer established in 2003, with integrated production, R&D, and sales activities. The supplier reports ISO9001 and SGS certification, documented corrective/preventive-action and complaint-handling procedures, inventory capability, and customization and ODM services. Its stated product scope includes screws, gaskets, nuts, bolts, and other metal products, with reported production of 4,000 tons for each of these four categories and order fulfillment within 15 workdays in both peak and off-peak periods. However, the supplier does not provide OEM services for popular brands, lacks an available SDK, has no overseas warehouse, showroom, agent, or branch, and has not participated in offline trade shows. Financial credibility cannot be assessed because the supplied financial fields contain only years rather than financial results or supporting metrics. Customer-case evidence is also insufficient.

Supplier typeThe supplier is identified as a Guangzhou-based professional fastener production factory established in 2003, combining manufacturing, research and development, and sales. Its registered business scope also covers metal products, machinery parts, electrical equipment, import/export, and related technical services, indicating a manufacturer rather than a pure trading company.

CertificationsThe supplier states that it has obtained ISO9001 quality management system certification and SGS international certification system certification. These are explicit certification claims supporting quality-system credentials, although no certificate numbers, validity dates, or scope details are provided.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling, and it can provide quotations under FOB, CIF, CFR, and EXW terms. However, it has no overseas warehouse, overseas showroom, overseas agent or branch, and offers overseas service in zero countries, so its documented process capability is stronger than its overseas service network.

R&D capabilityThe supplier reports R&D capability, new products during the past year, and ODM service availability, while its company description identifies R&D as part of its integrated operations. Nevertheless, it reports no available SDK, so the evidence supports product-development capability but not software-development or SDK capability.

Production capacityThe supplier reports in-stock capability, production of 4,000 tons each of screws, gaskets, nuts, and bolts, and order fulfillment within 15 workdays in both peak and off-peak seasons. A weakness is that no valid manufacturing-capacity contract exists with related subcontractors, which may limit reliance on outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This directly demonstrates broad stated customization coverage.