What is the minimum order quantity?

The minimum order quantity is 1 piece.

What packaging options are available?

We offer small plastic bag packaging, small carton box packing, bulk carton packing, or packaging according to customer requirements.

Does the plunger come with a rest position?

Yes, the PDM822 mini indexing plunger is available with or without a rest position.

Black Knob Mini Indexing Plunger Index Plunger

Name: Black Knob Mini Indexing Plunger Index Plunger
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 1931837915

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$1.50

500-999 Pieces

US$1.30

1,000+ Pieces

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic Knob, Stainless Steel, Steel, etc

Surface Finishing

Plain Coating, Zinc Coating

Model NO.

PDM822

Certification

ISO

Customized

Non-Customized

Body Material

Steel, Stainless Steel

Knob Material

Plastic

Pin Material

Stainless Steel

Spring Material

Stainless Steel, Spring Steel

Type

C Type, B Type

Transport Package

Plastic Bag+ Carton

Specification

M10x1 thread, M8x0.75 thread, 4mm, 5mm, 6mm, 8mm

Trademark

PDM

Origin

Shandong, China

HS Code

7318240000

Production Capacity

5000 PCS Per Month

Key features

Durable Material Options: Available in Steel, Stainless Steel, and Plastic with Zinc or Plain Coating.

Compact Design: Small dimensions designed specifically for thin-walled sheet metal constructions.

Secure Locking Mechanism: Features serrated knob and spanner flats for easy tightening with a fork spanner.

OEM and ODM Services: Offers full customization, minor customization, and flexible customization options.

Fast Delivery: Delivery time ranges from 3 to 15 days depending on order quantity.

ISO Certified Quality: Manufactured with ISO certification and 100% visual and function inspection.

Versatile Packaging: Options include small plastic bags, cartons, bulk packing, or custom requirements.

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 materials are available for the indexing plunger?

Body material options include steel (zinc plated or blue passivated) and stainless steel AISI 303. The plunger pin and spring are made of stainless steel AISI 303 and AISI 301 respectively. The knob is made of non-removable plastic with a black matt finish.

Q:Can the plunger be customized?

Yes, we offer OEM and ODM services including customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is the delivery time for orders?

Delivery takes 3 to 15 days depending on the demand quantity. Peak and off-peak season lead times are both within 15 workdays.

Q:How is the plunger installed and tightened?

The plunger is inserted by holding the serrated knob. The spanner flats on the lock nut are revealed when retracting the pin, allowing easy tightening with a fork spanner.

Q:What are the available sizes?

Available sizes include M8 x 0.75, M10 x 1, and other standard specifications.