Where is the product manufactured?

The product originates from Hebei, China, and ships from the Tianjin port.

What is the warranty or quality assurance policy?

We perform random inspection including visual and function inspection for finished products.

Is this washer suitable for high-vibration applications?

Yes, the double coil configuration provides greater spring force, making it suitable for high-vibration applications.

Double Coil Spring Lock Washer for Power Line Fittings

Name: Double Coil Spring Lock Washer for Power Line Fittings
Brand: Baoding Lanlong Iron Industry Co., Ltd.
SKU: 2165095612

Hebei, ChinaBaoding Lanlong Iron Industry Co., Ltd.

US$0.10-60.00

100 Pieces

Product profile

Customization

Available

Type

Spring Washer

Material

Carbon Steel

Model NO.

HFDUS62183

Combination Washer Structure

Double Coil Structure

Combination Washer Packaging

No Rubber Coating

Spring Washer Type

Double Coil Lock Washer

Structure Type

Double Coil

Surface Treatment

Hot-DIP Galvanized

Washer Type

Spring Lock Washer

Application

Power Line Fastening

Transport Package

Wooden or Pallet

Specification

Carbon Steel

Trademark

Lanlong

Origin

China

HS Code

7318210001

Production Capacity

5000

Key features

Double Coil Structure: Unique dual-coil helical design provides consistent elastic tension and greater spring force.

Hot-Dip Galvanized: Robust zinc coating resists corrosion, rust, and environmental degradation for long-term durability.

Anti-Loosening Performance: Effectively counteracts bolt loosening caused by vibration, thermal expansion, and contraction.

High-Strength Material: Made of high-strength spring steel to maintain clamping force under repeated mechanical stress.

Customizable Options: Offers full customization, minor customization, and flexible customization from samples or designs.

Power Line Application: Specially designed for overhead power transmission and distribution lines and tower fittings.

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

Standard Compatibility: Precision-engineered to ensure compatibility with standard metric and imperial bolt sizes.

Company profile

Self-brandedPatents AwardedIn-stock CapacityR&D Capabilities

Baoding Lanlong Iron Industry Co., Ltd.

Hebei, 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: 1 year CertifiedNearest Port: Tianjin PorAverage Response Time: ≤2.94h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing-sector trading company located in Baoding, China, with domestic primary export-market information. It offers broad customization, OEM and ODM services, and reports having introduced new products within the past year. Production information indicates one production line and one year of export experience. Service procedures exist for inspections, supplier approval, corrective actions, and complaint handling, but the provided records state that written evidence is unavailable or incomplete. No supplier-management certification, overseas warehouse, showroom, agent or branch, or offline trade-show participation is reported. Financial information is inconsistent across the provided slices and is not sufficient to establish financial credibility. The supplier cites OEM service for well-known brands and applications across several infrastructure sectors, but no specific customer names or verifiable case details are provided.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. No certification holding is evidenced in the provided information, but the slices do not specify whether other product or quality certifications exist.

After-Sales capabilityThe supplier reports procedures for service assessment, corrective and preventive actions, and customer complaints, but each is stated to have no written records. It has no overseas warehouse, showroom, agent or branch, and no overseas services are reported, limiting demonstrated after-sales infrastructure.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, supporting some product-development capability. However, it reports only one year of total R&D engineer experience and no available SDK, so the depth of innovation capability is limited and not fully demonstrated.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization and flexible customization. Its company description also confirms customization and OEM services, while the R&D information confirms ODM availability, providing strong direct evidence of broad customization capability.