What grades are available?

Multiple grades are available including Grade A, B, C, and DH.

Is third-party inspection accepted?

Yes, third-party factory inspection is acceptable.

What is the minimum order quantity?

We offer flexible MOQ for both trial orders and bulk projects.

ASTM A563 Heavy Hex Nut Carbon Steel Matched A325 A490 Structural Bolts

Name: ASTM A563 Heavy Hex Nut Carbon Steel Matched A325 A490 Structural Bolts
Brand: Ningbo Anbor Hardware Co., Ltd.
SKU: 2308666795

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

Material

Carbon Steel

Type

Hexagon Head

Model NO.

M4-M20

Connection

Common Bolt

Head Style

Hexagonal

Standard

ANSI, ASTM

Grade

ASTM A563

Delivery Time

7-25 Working Days

Service

Structural Steel Connection

Product Type

Heavy Hex Nut

Key Features

High Strength, Precise Thread, Reliable Locking

Surface Finish

Plain / Black Oxide

Size Range

Customized Available

Transport Package

Carton+Pallet

Specification

As standard

Trademark

Anbor

Origin

China

Key features

ASTM A563 Compliance: Manufactured strictly according to ASTM A563/A563M specification for structural applications.

High Strength Material: Made of carbon steel with stable mechanical properties for reliable locking performance.

Customizable Sizes: Size range is customized available according to customer drawings and specific demands.

Versatile Thread Types: Supports UNC, UNF, and Metric thread types for various structural bolt connections.

Multiple Grade Options: Available in Grade A, B, C, and DH to meet different strength requirements.

Surface Finish Options: Optional plain finish and black oxide surface treatment for corrosion resistance.

Fast Delivery Cycle: Stable delivery time of 7-25 working days depending on order volume and season.

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: ≤1.89hTerms 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.