How do you guarantee product quality?

We provide a pre-production sample before mass production and conduct a final inspection before shipment. Our factory follows ISO9001-2015 standards with 100% inspection.

What payment terms are accepted?

We accept T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow. Currencies include USD, EUR, CAD, HKD, GBP, and CNY.

What are the common applications for these plungers?

They are widely used for positioning, applying pressure, supporting, locking, acting as a detent, and for ejection purposes.

Customized Long Nose Spring Plunger

Name: Customized Long Nose Spring Plunger
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2182138895

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.30

500-4,999 Pieces

US$0.20

5,000+ Pieces

Product profile

Customization

Available

Material

Stainless Steel, Carbon Steel,Steel,

Surface Finishing

Zinc Plated

Certification

ISO

Customized

Surface Treatment

Zinc Plating,Plain ,Black Oxide,etc

Product Name

Ball Spring Plunger

Thread Size

M6-M24 or Customized

MOQ

500PCS

Delivery Time

30-40 Days

Shipping Way

Express,by Sea, by Air,etc

Packing

Neutral Packing

Drive Type

Hex Socket,Slotted

Length

3-34mm or Customized

OEM

Provided OEM Services

Ball Material

Steel Hardened,Brass,Plastic,etc

Spring Material

Stainless Steel

Transport Package

Plastic Bag+Carton

Specification

Customers' requirement

Trademark

PDM

Origin

China

Production Capacity

50000/Month

Key features

Customizable Dimensions: Thread sizes M6-M24 and lengths 3-34mm are fully customizable to meet specific requirements.

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Brass, Plastic, and Nylon for diverse applications.

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

OEM Service Support: Professional OEM services provided to tailor products according to customer designs and samples.

ISO Certified Quality: Manufactured under ISO9001-2015 standards with 100% finished product inspection.

Multi-Purpose Functionality: Ideal for positioning, applying pressure, locking, detent mechanisms, and ejection tasks.

Flexible Packaging: Customizable packaging options including small plastic bags, cartons, or bulk packing.

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 are the available customization options?

We offer full customization including thread sizes (M6-M24), lengths (3-34mm), materials, surface treatments, and OEM services based on your designs or samples.

Q:What materials are used for the ball and body?

Ball materials include SCM435, SUS304, Nylon 66, Brass, and Steel. Body materials are Carbon Steel, Alloy Steel, Stainless Steel, Plastic, and Brass.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 500 pieces, though some items may start from 1 piece depending on specific requirements.

Q:What is the lead time for delivery?

The standard delivery time is 30-40 days. During peak seasons, lead time is within 15 workdays, and off-season lead time is also within 15 workdays.

Q:What surface finishes are available?

Available finishes include Zinc Plating, Plain, Black Oxide, Galvanized, and Nylon Patch, among others.