What is the material of the ball plunger?

The body is SUS303, the ball is SUS440c, and the spring is SUS631j1.

What certifications do you have?

We are certified under ISO9001:2008 and ISO9001:2015.

How do you ship the products?

We ship via sea, air, or express courier from Shenzhen, Hong Kong, or Guangzhou.

Accept Custom Order Stainless Steel Spring Loaded Plunger Slotted Flanged Ball Spring Plunger

Name: Accept Custom Order Stainless Steel Spring Loaded Plunger Slotted Flanged Ball Spring Plunger
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 2072129082

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$0.59

10 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Modelnumber

Fbpjs

Model NO.

FBPJ /FBPJS

Selling Units

Single Item

Delivery Time

7~15 Working Days

Mail Body Material

SUS303

Keyword

Flanged Ball Spring Plunger

Certiticate

ISO9001:2008

Size

M57*5.8

Sample

Instock

Ball Material

SUS440c

Ball Hardness

55HRC~

Spring Material

SUS631j1

Single Gross Weight

0.005 Kg

Quality Control

100%

Single Package Size

13.8X7X8cm

Certificate

ISO9001:2008

Trademark

Origin

Guangdong, China

Key features

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Material Quality: Constructed with SUS303 body, SUS440c ball, and SUS631j1 spring.

Fast Delivery: Standard delivery time ranges from 7 to 15 working days.

Sample Availability: Free samples are available and ready for immediate shipment.

Certification: Manufacturing process certified under ISO9001:2008 and ISO9001:2015.

OEM/ODM Service: Professional OEM and ODM services available for hardware fasteners.

Ball Hardness: Ball hardness reaches 55HRC or higher for durability.

Quality Control: 100% quality control with random visual and function inspections.

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: ≤4.21h

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.