Does the spring lose tension over time?

The high-quality calibrated spring is engineered for long-term use, maintaining consistent tension with proper care and minimal maintenance.

What maintenance is required?

The pin requires minimal maintenance. Periodic cleaning to remove debris and occasional lubrication of the shaft is recommended for optimal performance.

Is the pin resistant to rust and corrosion?

Yes, the hot-dip galvanized finish provides comprehensive protection against oxidation, rust, and salt spray damage.

What is the expected service life of this pin?

With proper installation and care, the pin is designed for years of reliable use, even in high-frequency and harsh conditions, outlasting standard non-industrial alternatives.

Can it be used as a safety pin for trailer couplers?

Yes, the positive locking mechanism and durable construction make it suitable for use as a safety pin to secure trailer couplers and prevent accidental disconnection.

02415 Zinc Plated Trailer Spring Loaded Lock Pin

Name: 02415 Zinc Plated Trailer Spring Loaded Lock Pin
Brand: Huangyan Xinqian Yingjia Metal Product Factory
SKU: 2290612725

Zhejiang, ChinaHuangyan Xinqian Yingjia Metal Product Factory

US$2.00

100-499 Pieces

US$1.00

500+ Pieces

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Color

Silver

Compatibility

International

Model NO.

02415

Finish

Galvanized

Installation Method

Bolt-on

Material

Steel

Placement

Rear

Structure

Load-bearing Body

Style

Custom Style

Type

Galvanized

Keyword

Truck Body Hinge

Packaging Details

PCS/CTN,Pallet for Carton

Supply Ability

10000 Piece/Pieces Per Month

Surface Treatment

Zinc

Weight

0.137kg

Sea Port

Ningbo

Transport Package

PCS/CTN, Pallet for Carton

Specification

Steel

Trademark

Yingjia

Origin

China

HS Code

8302100000

Production Capacity

10000 Piece/Pieces Per Month

Key features

Spring-Loaded Mechanism: Enables quick, one-handed operation for fast locking and releasing without tools.

Hot-Dip Galvanized Finish: Provides comprehensive protection against rust, corrosion, and salt spray damage.

High-Strength Steel Construction: Ensures superior tensile strength, shear resistance, and durability under heavy loads.

Positive Locking Safety: Prevents accidental disengagement and rattling during transit or vibration.

Universal Compatibility: Fits most standard trailer hitches, couplers, and equipment mounting points.

Low Maintenance Design: Requires minimal upkeep with no lubrication needed under normal use conditions.

IATF 16949 Certified: Manufactured under strict quality management systems for global compliance.

Ergonomic Handle Design: Offers a comfortable, non-slip grip for easy handling even with gloves.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedImporters and Exporters

Huangyan Xinqian Yingjia Metal Product Factory

Zhejiang, 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: 12 years CertifiedNearest Port: Ningbo portAverage Response Time: ≤3.14h

AI-Powered supplier vetting

SummaryThe supplier is a China-based manufacturer of metal chains, metal products, molds, automotive parts, and related products, with nearly 20 years of stated experience and 12 years of export activity. It reports TS 16949 certification, one production line, five R&D engineers, recent new-product launches, OEM service for well-known brands, and ODM capability. Customization is broad, covering designs, samples, full customization, flexible customization, and minor customization. Quality and service procedures are documented and followed, including finished-product inspection, corrective and preventive actions, complaint handling, and supplier assessment. The supplier has manufacturing-capacity contracts with associated subcontractors and in-stock capability, but no overseas warehouses, showrooms, agents, or branches. Evidence of customer cases is limited: it reports no Fortune 500 cooperation but does report OEM work for well-known brands and a repeat-buyer preference range.

Supplier typeThe supplier is identified as Huangyan Xinqian Yingjia Metal Product Factory, a manufacturer based in Huangyan District, Taizhou, Zhejiang, China. Its stated business scope covers metal chains and other metal products, metal materials, molds, automotive parts and accessories, and related sales activities, indicating a manufacturing-oriented supplier rather than a pure trading company.

CertificationsThe supplier reports holding TS 16949 certification and also lists another management-system certification category as "Others." This provides explicit evidence of at least one relevant certified management system, although the details and scope of the additional certification are not provided.

After-Sales capabilityThe supplier reports documented and followed procedures for corrective and preventive actions and customer complaint handling, along with quality assurance in its quality-control processes. However, it has no overseas warehouse, showroom, agent, or branch, so local overseas support infrastructure is not evidenced.

R&D capabilityThe supplier reports five R&D engineers, new products launched during the last year, product-information output from R&D, and ODM service availability. These are explicit indicators of active product development, although no SDK is available and no quantitative product-development performance beyond the stated information is provided.

Production capacityThe supplier operates one production line, has manufacturing-capacity contracts with each associated subcontractor, and reports in-stock capability. It also states an average peak-season lead time of one month and an off-season lead time within 15 workdays, supported by written supplier-service assessment procedures and 20 qualified suppliers. These data support operational capability, while the single-line count limits evidence of production scale.

Customization capabilityThe supplier explicitly provides customization from designs, customization from samples, full customization, flexible customization, and minor customization. The same range is linked to its R&D capability, and ODM service is available, demonstrating broad product-development and customization support.

Product Q&A

Q:What material is the 02415 lock pin made of?

The pin is constructed from high-strength steel with a hot-dip galvanized finish for enhanced corrosion resistance.

Q:Is this pin suitable for use in marine environments?

Yes, the galvanized coating provides excellent protection against saltwater, moisture, and corrosion, making it suitable for marine and coastal applications.

Q:Can it withstand vibration during transit?

Yes, the spring-loaded mechanism maintains constant tension to keep the pin securely engaged, preventing accidental disengagement and rattling.

Q:How does the quick-release mechanism work?

The spring-loaded design allows for one-handed operation. Simply pull the handle to retract the pin, insert it into the desired position, and release the handle to lock it in place.

Q:What types of equipment is this pin compatible with?

It fits most standard trailer hitches, couplers, and equipment mounting points, as well as custom applications with compatible dimensions.