What is your delivery timeframe?

In most cases, stock items ship within 2-5 days. For orders involving 1-2 containers, expect delivery within 18-25 days. Urgent orders exceeding 2 containers are prioritized in production.

How do you handle packaging?

We securely package in cartons weighing 20-25kg each, with 36 or 48 cartons per pallet, totaling approximately 900-960kg per pallet. Custom logos and carton designs are available upon request.

What payment terms do you offer?

We accept T/T and LC for general orders, with PayPal and Western Union options available for smaller or sample orders.

Premium Black Hex Socket Countersunk Bolts for Industrial Use

Name: Premium Black Hex Socket Countersunk Bolts for Industrial Use
Brand: Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd
SKU: 2214371665

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

US$0.18

1,000-9,998 Pieces

US$0.17

9,999-99,999 Pieces

US$0.16

100,000+ Pieces

Sample price:US$0.10/bag.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Round Head

Model NO.

M5*30

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Delivery Time

5-15 Days

Export Market

Global

Product Grade

Standard

Material Grade

Carbon Steel

Nominal Length

Screw Pitch

0.8

Model Number

Customizable

Sample

Provide for Free

Transport Package

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

Specification

Trademark

JDS or customized

Origin

Guangdong, China

Production Capacity

5 Million/Month

Key features

30+ Years Manufacturing Experience: Over three decades of production prowess ensuring reliability and quality.

Customization from Samples/Designs: Bespoke services to develop fasteners precisely from your specific samples and drawings.

Free Samples for New Clients: Complimentary standard fastener samples provided, shipping costs apply.

ISO9001:2015 Certified Quality: Meticulous inspection at every stage with MTC and mill certificates provided.

Competitive Factory Pricing: Direct factory supply with cost-effective solutions tailored to your needs.

Wide Material & Grade Options: Stainless steel, carbon steel in grades 4.8, 8.8, 12.9, and various head styles.

Flexible Order Acceptance: Small orders for standard products are welcome; urgent orders prioritized.

Global Export Capability: Experienced in global markets with flexible payment terms including T/T and LC.

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: ≤4.54h

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 build trust with us?

With three decades of production expertise and a veteran management team, we offer flawless solutions that you can trust without question.

Q:What about your pricing?

Our pricing model strikes a perfect harmony between superior quality and competitive cost. Contact us to receive a swift quote tailored to your exact needs.

Q:How do you maintain quality control?

Our Quality Control team meticulously inspects every stage of production for each batch. Upon completion, we provide MTC and mill certificates for your peace of mind.

Q:Do you offer free samples?

For our new clients, we offer complimentary samples of standard fasteners, although shipping costs apply. For returning clients, both samples and shipping are free.

Q:Are small orders welcome?

Absolutely! We gladly accommodate small orders for standard, non-customized products.