What is the matching nut for this bolt?

It is perfectly matched with ASTM A563 heavy hex nuts to form complete fastening assemblies.

Is a Mill Test Certificate provided?

Yes, a Mill Test Certificate is available to verify the material quality.

ASTM A307 Carbon Steel Hex Head Structural Bolt for General Connection Fastener

Name: ASTM A307 Carbon Steel Hex Head Structural Bolt for General Connection Fastener
Brand: Ningbo Anbor Hardware Co., Ltd.
SKU: 2317547885

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

Finish

Grade a, Grade B

Surface Treatment

Plain / Black Oxide

Size

Customized Available

Thread Form

Unc Standard Thread

Core Advantages

Stable Performance, Cost-Effective, Reliable Faste

Feature

Uniform Thread, Good Ductility

Size Range

Customized Length & Diamete

Transport Package

Carbon+Pallet

Specification

As standard

Trademark

Anbor

Origin

China

Key features

Customized Size Available: Supports customized length and diameter according to customer requirements.

Dual Grade Options: Available in Grade A and Grade B to meet different strength requirements.

Standard UNC Thread: Features standard UNC threads with precise thread tolerance for reliable connection.

Versatile Surface Finish: Offers Plain or Black Oxide surface treatments with customization options.

ASTM A307 Compliance: Manufactured strictly according to ASTM A307/A307M standard for quality assurance.

Cost-Effective Solution: Economical carbon steel fastener ideal for general structural and industrial applications.

Mill Test Certificate: Mill Test Certificate available upon request to verify material quality.

Hex Head Design: Hexagonal head design ensures convenient installation with standard tools.

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: ≤1.87hTerms 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.