What is the material of the washer?

The washer is made of carbon steel with a galvanized finish for corrosion resistance.

Where is the product manufactured?

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

Corrosion Resistance Galvanized Square Metal Self-Locking Washer

Name: Corrosion Resistance Galvanized Square Metal Self-Locking Washer
Brand: Baoding Lanlong Iron Industry Co., Ltd.
SKU: 2116341682

Hebei, ChinaBaoding Lanlong Iron Industry Co., Ltd.

US$0.01-20.00

500 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Square Head

Model NO.

SCW

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB

Grade

9.8

Transport

by Sea or Air

Delivery Date

15~40days

Condition

New

Transport Package

Wooden or Pallet

Specification

Alloy

Trademark

Lanlong

Origin

China

HS Code

7318220000

Production Capacity

5000

Key features

Corrosion Resistance: Galvanized carbon steel construction ensures durability in harsh and outdoor environments.

Anti-Loosening Stability: Square shape and self-locking design resist shifting caused by vibration and dynamic loads.

Load Distribution: Spreads compressive force over a larger area to prevent material indentation or breakage.

Custom Dimensions: Available in custom hole diameter, square side length, and thickness to suit specific needs.

Versatile Applications: Ideal for construction, mechanical engineering, infrastructure, and general manufacturing.

OEM/ODM Service: Full customization, minor customization, and flexible options available from samples or designs.

Fast Delivery: Standard delivery time ranges from 15 to 40 days depending on season and order volume.

DIN Standard Compliance: Manufactured to meet DIN standards ensuring quality and compatibility with common bolts.

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: ≤4.12h

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.