What is the lead time?

Peak season takes one month, while off-season delivery is within 15 working days.

Where is the product shipped from?

Shipping ports include Ningbo, Shanghai, and Tianjin.

Custom Size ASTM F436 Structural Hardened Washer Carbon Steel Plain Flat Washer

Name: Custom Size ASTM F436 Structural Hardened Washer Carbon Steel Plain Flat Washer
Brand: Ningbo Anbor Hardware Co., Ltd.
SKU: 2306885095

Zhejiang, ChinaNingbo Anbor Hardware Co., Ltd.

US$0.05

3,000-19,999 Pieces

US$0.03

20,000-199,999 Pieces

US$0.01

200,000+ Pieces

Product profile

Customization

Available

Type

Flat Gasket

Material

Carbon Steel

Model NO.

M12 ~ M100, 1/4"~ 4"

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Standard Code

ASTM F436 / ASTM F436m

Product Type

Structural Flat Washer

Hardening Treatment

Fully Hardened Tempered Carbon Steel

Surface Finish

Hot DIP Galvanized(HDG), Zinc Plated, Black Oxide

Anti-Corrosion Grade

Heavy Duty Outdoor Anti-Rust Coating

Characteristic

High Load Bearing, Anti-Loosening, Flat Surface

Custom Service

OEM, ODM, Custom Size, Custom Surface Treatment

Shipping Port

Ningbo Port, Shanghai Port

Transport Package

Carton+Pallet

Specification

As standard

Trademark

Anbor

Origin

China

Key features

High Load Bearing Capacity: Fully hardened tempered carbon steel with HRC 30-38 hardness ensures strong anti-loosening performance.

Multi-Size Compatibility: Available in Imperial (1/4"-4") and Metric (M12-M100) series matching ASTM A325/A490 bolts.

Custom Size Production: OEM support for custom inner diameter, outer diameter, and thickness based on drawings.

Heavy-Duty Anti-Corrosion: HDG offers 500+ hours salt spray resistance; Zinc Plating and Black Oxide also available.

Custom Surface Treatment: Support for customized zinc thickness and special anti-rust coatings for specific environments.

Free Sample Availability: Free stock samples provided for testing; buyers only pay international express freight.

Standard Compliance: Strictly produced according to ASTM F436/F436M dimensional tolerances.

Flexible Packaging Options: Custom packing and labeling including bulk bags, retail boxes, and brand labels.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience

Ningbo Anbor Hardware Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-02-18Nearest Port: NINGBO, SHANGHAI, TIANJINAverage Response Time: ≤2.38hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryNingbo Anbor Hardware Co., Ltd. is identified as both a trading company and manufacturer/factory in Ningbo, China, producing multiple categories of fasteners and related hardware. It reports established production and export experience, substantial stated annual capacity for screws, bolts, nuts, anchors, and washers, and broad customization and ODM capabilities. The supplier exports directly, with exports representing 90% of total sales, and reports OEM service for well-known brands. However, it has no overseas showroom, agents, branches, warehouse, or inventory service capability. Service-control procedures exist in some areas but lack written records, while assessment procedures are absent. Product innovation is supported by new products developed during the past year, although no SDK is available. The provided information does not establish certification holding or specific customer references.

Supplier typeThe supplier is classified as both a Trading Company and Manufacturer/Factory, with a limited-company structure and operations in Ningbo, Zhejiang, China. Its stated business scope covers hardware, metal products, building materials, machinery-related products, and other goods, supporting a broad hardware-trading profile alongside manufacturing activity.

After-Sales capabilityThe supplier has participated in an offline trade show and accepts multiple quotation and payment terms, but it has no overseas showroom, overseas agents or branches, overseas warehouse, or in-stock service capability. Complaint-handling and corrective/preventive-action procedures are stated to exist but have no written records, while no written service-assessment procedures or followed records are available.

R&D capabilityThe supplier reports that it developed new products during the past year and provides ODM services, indicating active product-development capability. It does not have an available SDK, but the provided evidence supports innovation activity in product development rather than software integration.

Production capacityStated annual capacity includes 5,000 tons of screws, 6,000 tons of bolts, 3,500 tons of nuts, 2,000 tons of anchors, and 3,750 tons of washers. The supplier reports one-month average lead times in both peak and off-seasons and describes more than 15 years of production and export experience, although its in-stock capability is explicitly unavailable and manufacturing-capacity control records are unknown.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.