What is the material of the screws?

The screws are made of stainless steel with a zinc finish.

What is your quality control process?

We follow ISO9001:2015 standards with random visual and function inspections by 6 QA/QC inspectors.

How are the products shipped?

Products are shipped via sea, air, or express delivery from Shenzhen, Hong Kong, or Guangzhou ports.

Professional Custom Socket Vented Screws Socket Head Cap Hollow Screws

Name: Professional Custom Socket Vented Screws Socket Head Cap Hollow Screws
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 2072705522

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$0.44

100-499 Pieces

US$0.10

500+ Pieces

Product profile

Customization

Available

Material

Stainless Steel

Head Style

Hex

Model NO.

ZCBAS

Standard

Selling Units

Single Item

Nominal of Thread

Delivery Time

5~7 Working Days

Single Gross Weight

0.500kg

Measurement System

Inch

Sample

Availabe

Head Type

Socket

Screw Type

Complete Thread

Thread Ridge Type

Metric Coarse

Name

Vented Socket Head Screws

Pitch

1.25

Finish

Zinc

Single Package Size

13.5X8.5X9.5 Cm

Trademark

Origin

Guangdong, China

Key features

Customization Options: Full customization, minor customization, and flexible customization available from samples or designs.

OEM/ODM Service: Professional OEM and ODM services provided by experienced R&D engineers.

Material Quality: Made from high-grade stainless steel with zinc finish for durability.

Fast Delivery: Delivery time within 7 to 15 working days for both peak and off-peak seasons.

Free Samples: Free samples available for customers to verify product quality before ordering.

ISO Certification: Manufacturing process certified under ISO9001:2015 for quality assurance.

Flexible Payment: Accepts T/T, L/C, PayPal, Western Union, and small-amount payments.

Low MOQ: Minimum Order Quantity is only 1 piece, suitable for small orders.

Company profile

In-stock CapacityFast DeliveryYears of Export ExperienceCustomization from Designs

Dongguan Zhengchen Hardware Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.96h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Dongguan operating in manufacturing. It demonstrates substantial customization, OEM and ODM capabilities, independent R&D activity, and six R&D engineers responsible for technical support and new product development. Manufacturing support includes valid contracts with related subcontractors, inventory capability, and stated peak- and off-season lead times within 15 working days. Quality and service processes are documented, including finished-product inspection, corrective and preventive actions, and complaint handling. The supplier has exported for 11 years, with exports representing 11%–20% of total sales, and is located near Shenzhen Port. Evidence is insufficient to confirm certifications, detailed after-sales performance, or financial credibility. The supplier lacks an available SDK, overseas warehouse, and overseas showroom.

Supplier typeThe supplier is explicitly identified as a factory located in Dongguan, and its associated companies operate in manufacturing. This supports classification as a manufacturing supplier rather than a trading-only company.

After-Sales capabilityThe supplier has six R&D engineers whose responsibilities include technical support for production and after-sales service. It also has documented complaint-handling and corrective/preventive-action procedures with records, but no specific after-sales service performance or coverage details are provided.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and has an independent R&D department. Six R&D engineers handle technical confirmation, production and after-sales support, and new product development; however, no SDK is available.

Production capacityProduction support is evidenced by six quality-control staff, four quality-control test equipment units, valid contracts with associated subcontractors, inventory capability, and stated lead times within 15 working days in both peak and off seasons. The supplier also reports 172 qualified service-capability suppliers, although detailed production capacity volumes are not provided.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. It also provides customized processing of non-standard parts and OEM one-stop solutions, demonstrating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and describes delivering complete solutions and non-standard-part processing for customer needs. No named customers, project examples, or independently verifiable case details are supplied.