Do you offer OEM services?

Yes, we provide comprehensive OEM services, including customizing product names, surface treatments, and designs.

What is the typical delivery time?

The standard delivery time is 30-40 days after order confirmation, depending on the quantity and customization.

How do you ensure product quality?

We follow ISO9001-2015 standards, conduct 100% inspection, and provide pre-production samples before mass production.

O Ring Retractable Spring Plunger with or Without Lock Nut

Name: O Ring Retractable Spring Plunger with or Without Lock Nut
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2246123535

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.75

100-499 Pieces

US$0.66

500+ Pieces

Product specifications

Index pin

Product profile

Customization

Available

Material

Stainless Steel

Type

Indexing Plunger

Model NO.

Retractable Spring Plunger

Groove

Spring Plunger

Connection

Positioning

Head Style

Knob, Knurled Knob

Standard

DIN, ISO

Grade

AISI

Surface Treatment

Zinc Plating,Plain ,Black Oxide,etc

Product Name

Indexing Plungers

Size

M6-M10 or Customized

MOQ

100PCS

Delivery Time

30-40 Days

Shipping Way

Express,by Sea, by Air,etc

Packing

Neutral Packing

Plunger Type

Mini Index Pin,Retractable Plunger Pin,Erc

Plunger Material

AISI 303 Stainless Steel

OEM

Provided OEM Services

Body Material

Steel,Stainless Steel,etc

Spring Material

AISI 303 Stainless Steel

Position

with or Without Rest Position

Application

Industrial Equipment

Transport Package

Plastic Bag+Carton

Specification

Customers' requirement

Trademark

PDM

Origin

China

Production Capacity

5000/Month

Key features

Premium Material Construction: Plunger and spring made of AISI 303 Stainless Steel; Body available in Steel or Stainless Steel.

Customizable Size Options: Standard sizes M6-M12 available, with full customization support for specific requirements.

Secure Locking Mechanism: Knob can be twisted up to 90 degrees to lock position, ensuring stable indexing.

Ergonomic Knurled Design: Knurled rim provides maximum grip for easy installation and retraction of the plunger.

Versatile Surface Finishes: Options include Zinc Plating, Black Oxide, Plain, and Galvanized for corrosion resistance.

Compact Mini Design: Designed for thin-walled sheet metal constructions with small dimensions for easy insertion.

Professional OEM Services: Full OEM support available for product name, surface treatment, and specific configurations.

Strict Quality Control: ISO9001-2015 certified with 100% visual and function inspection before shipment.

Company profile

Importers and ExportersYears of Export ExperienceHigh Repeat Buyers Choice

Qingdao Pengrui Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier presents established manufacturing and export capabilities, with ISO9001:2015 certification, two production lines, 6–10 quality-control staff, and stated contracts with affiliated subcontractors. It supports flexible customization, ODM, OEM for popular brands, and reports new products in the past year. Export activity has continued for 11 years, with 51%–70% of sales from exports and self-operated import/export rights. Service strengths include inventory capability, documented complaint and corrective-action procedures, quality assurance, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, and has not participated in offline trade shows. Supplier-service assessment lacks written procedures and complete records. Financial credibility cannot be assessed from the non-monetary information provided.

Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its profile covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities. This supports classification as an integrated manufacturing and trading-oriented supplier, although the exact legal business structure is not further specified.

CertificationsThe supplier holds an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management-system certification, although no additional certifications are stated.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, provides inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, while its supplier-service assessment process has no written procedures or followed records.

R&D capabilityThe supplier reports two years of total R&D-engineer experience, new products developed during the past year, ODM capability, customization from designs and samples, an available SDK, and one national science and technology progress award. These stated capabilities provide explicit evidence of active R&D and innovation support.

Production capacityThe supplier operates two production lines, has 6–10 quality-control staff, maintains valid manufacturing-capacity contracts with affiliated subcontractors, and reports 30 qualified suppliers for service capability. It also states inventory capability and lead times within 15 working days in both peak and off-season periods, indicating established operational capacity.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, as well as ODM services and OEM for popular brands. These stated services demonstrate broad customization and contract-manufacturing capability.

Client casesThe supplier names long-term customers including Richelieu Hardware, Hillman Agroup, VIPA, CFI, and BUFAB. These named customer relationships provide explicit evidence of customer experience, although the information does not state order scope, duration for each account, or independently verified performance outcomes.