Does the plunger lock in the retracted position?

Yes, the plunger can be completely withdrawn into the body and locked into a retracted position.

What packaging options are available?

We provide small plastic bags, small carton boxes, bulk cartons, or packaging according to customer requirements.

Spring Loaded Index Plunger with Black Oxide

Name: Spring Loaded Index Plunger with Black Oxide
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 1931961355

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$2.00

500 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Surface Finishing

Zinc Plated

Model NO.

M3-M12

Certification

ISO

Customized

Name

Hand Retractable Spring Plunger

Transport Package

Carton

Specification

1/4-20

Trademark

PDM

Origin

China

HS Code

7318240000

Key features

Flexible Customization: Offers minor, full, design-based, and sample-based customization options.

Diverse Material Options: Available in 12L14 steel, AISI 303 stainless steel, and 11L41 nose material.

Space-Saving Design: Plunger fully retracts into body and locks for applications with limited space.

Easy Alignment: Features a chamfered plunger design for effortless alignment during use.

OEM and ODM Services: Manufacturer provides both OEM and ODM services for tailored solutions.

Fast Delivery: Standard delivery time ranges from 3 to 15 days based on order quantity.

Custom Sizing: Sizes can be produced according to specific customer specifications or drawings.

Versatile Packaging: Packaging options include plastic bags, cartons, or bulk packing per request.

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: ≤24h

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.

Product Q&A

Q:What customization options are available?

We offer flexible customization including minor, full, design-based, and sample-based options.

Q:What materials are used for the plunger?

Options include 12L14 steel with zinc plating, AISI 303 stainless steel, and 11L41 nose material.

Q:How long does delivery take?

Delivery typically takes 3 to 15 days depending on the demand quantity.

Q:Can the product size be customized?

Yes, sizes are available according to your specific specifications or drawings.

Q:What is the minimum order quantity?

The minimum order quantity is 100 pieces.

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Spring Loaded Index Plunger with Black Oxide