How about your delivery time?

Typically, if items are in stock, delivery is within 2-5 days. For 1-2 containers, expect 18-25 days. Urgent orders exceeding 2 containers can be prioritized in production.

What is your packing method?

Each carton holds 20-25 kg, with 36 or 48 cartons per pallet, weighing approximately 900-960 kg. Custom logos or carton designs are available upon request.

What are your payment terms?

We accept T/T and LC for general orders, and offer Paypal and Western Union options for small or sample orders.

Premium Heavy-Duty Carbon Steel Screws for Construction Projects

Name: Premium Heavy-Duty Carbon Steel Screws for Construction Projects
Brand: Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd
SKU: 2202714115

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

US$0.03

1,000-99,998 Pieces

US$0.02

99,999-999,999 Pieces

US$0.01

1,000,000+ Pieces

Sample price:US$0.10/bag.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

Groove

Cross

Connection

Common Bolt

Head Style

Macroplatycephaly

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

8.8

Application Scenario

Machinery, Chemical Industry, Construction, etc

Delivery Time

5-15 Days

Export Market

Global

Product Grade

Standard

Material Grade

Carbon Steel Q235

Use

Anti-Fall off Ect

Surface Treatment

Nickel Plating

Transport Package

PE/PP Bag + Carton, or as Per Client′S Requi

Specification

M4*10

Trademark

JDS or customized

Origin

Guangdong, China

Production Capacity

5 Million/Month

Key features

30 Years Manufacturing Expertise: Over three decades of professional production experience ensuring reliability.

Custom Fastener Solutions: Bespoke services for custom fasteners built to your exact samples and drawings.

Rigorous Quality Control: Stringent QC inspections at every stage with MTC and mill certificate provided.

ISO9001 Certified Factory: Established in 2003 with ISO9001:2015 management system certification.

Competitive Pricing: Cost-effective solutions backed by dedicated factory production and expertise.

Wide Material Selection: Available in Carbon Steel, Stainless Steel 201/304/316, Aluminum, and Iron.

Global Export Capability: Serving global markets with standard and non-standard fastener solutions.

Free Sample Service: Complimentary samples for new clients; free samples and shipping for returning clients.

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: ≤4.16h

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.

Product Q&A

Q:How can you earn my trust?

With an impressive 30-year legacy in production, our expert management and production teams are committed to providing flawless solutions.

Q:How about your pricing?

Our products offer the perfect blend of superior quality and fair pricing. Simply send an inquiry, and I will promptly provide you with a quote.

Q:How do you manage quality control?

We ensure stringent QC inspections are conducted at every production stage for each batch. Upon completion, we offer an MTC and mill certificate for your assurance.

Q:Can you provide free samples?

For new clients, we offer complimentary samples of standard fasteners. However, shipping costs are borne by the client. For returning clients, we cover the express charges.

Q:Do you accept small orders?

We welcome inquiries for standard products in non-customized small orders. Feel free to consult with us.