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Home / Products / Nut / Hex Nut / UNC/UNF Hex Nut
Hex Nut

UNC/UNF Hex Nut

Product Overview
The UNC/UNF Hex Nut is a precision fastener manufactured to Unified National Coarse (UNC) and Unified National Fine (UNF) thread standards, ensuring compatibility with corresponding inch-series bolts. It is widely used in applications requiring standardized inch-sized fastening solutions.

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Zhejiang Chance & Union Import and Export Co., Ltd.
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Zhejiang Chance & Union Import and Export Co., Ltd.
Attributes
Zhejiang Chance & Union Import and Export Co., Ltd.

Key Features
Manufactured to UNC/UNF thread specifications for precise fit with inch-series fasteners.
Available in both coarse (UNC) and fine (UNF) thread pitches for diverse needs.
Six-sided design for reliable tool engagement and torque application.
Offered in multiple grades and materials for different strengths and environmental requirements.
Compliant with international standards for interchangeability in inch-based systems.

Product Features
Zhejiang Chance & Union Import and Export Co., Ltd.
Grade 4 / 5 / 8 / 10 / 12 (ISO 898-2) / A2-70 / A4-80
Size Range M3–M64 / #4"–3" (custom sizes available)
Thread Type Metric (ISO) / UNC / UNF / BSW / BSP
Standards DIN 934 / ISO 4032 / ISO 4033 / ASTM A563
Thread Class 6H (metric) / 2B / 3B (imperial)
Material Carbon Steel / Alloy Steel / Stainless Steel 304 / 316
Surface Finish Plain / Zinc Plated / HDG / Black Oxide / Dacromet
Operating Temperature  -40°C ~ 250°C (material-dependent)
Application  General engineering, machinery, construction, fastener assemblies
Applications
Zhejiang Chance & Union Import and Export Co., Ltd.

Applications
Automotive manufacturing, aerospace systems, industrial machinery, and equipment using inch-series fasteners.

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Zhejiang Chance & Union Import and Export Co., Ltd.
Zhejiang Chance & Union Import and Export Co., Ltd.
About Us
Fastening Chances,
Strengthening Union
Specializes in high-strength fasteners. We offer bolts, nuts, washers, and custom parts made from stainless steel, alloy steel, and more, serving over 200 clients in 25 countries. With 20 years of industry experience, we provide tailored fastening solutions from R&D to mass production.
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Zhejiang Chance & Union Import and Export Co., Ltd.
Certifications & Honors
Zhejiang Chance & Union Import and Export Co., Ltd.
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Utility Model Patent Certificate
Latest News & Updates
Stay informed with the latest industry trends, company news, and product innovations.
Zhejiang Chance & Union Import and Export Co., Ltd.
2026-05-26
Rooted in Manufacturing Heritage, Domestic Fasteners Expand Globally Steadily
With more than 20 years of mature manufacturing experience, China's fastener sector has established a sound technical and service system. Manufacturers provide high-strength bolts, nuts, screws, washers, pins and various non-standard customized parts. A wide range of materials, including stainless steel, alloy steel, aluminum alloy, copper and special alloys are adopted, together with advanced technologies such as cold heading, hot forging and precision machining. The products are exported to over 25 countries worldwide and serve more than 200 overseas clients, playing an important role in the global supply chain.
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Zhejiang Chance & Union Import and Export Co., Ltd.
2026-05-26
One-stop Fastener Solutions Connect Chinese Manufacturing with Global Markets
The global industrial sector has raised higher requirements for comprehensive services of supporting components. The fastener industry has upgraded its service model to cover the whole process from R&D and sampling to mass production, delivering one-stop supporting solutions for overseas customers. Supported by solid technical strength and strict quality control, the industry supplies highly stable and adaptable products, responds efficiently to customized demands worldwide, and builds a solid bridge linking Chinese manufacturing to the global market.
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Zhejiang Chance & Union Import and Export Co., Ltd.
2026-05-26
Diversified Materials and Exquisite Craftsmanship Build Core Competitiveness for Export Fasteners
Material selection and processing technology are the core guarantees for fastener quality. Domestic manufacturers keep optimizing material systems, including common metals and special alloys, and improve production techniques such as cold heading, hot forging and machining to ensure product strength, precision and durability. Both standard parts and complex non-standard customized parts comply with international industrial standards. Superior quality helps Chinese fasteners continuously expand influence across the global market.
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Zhejiang Chance & Union Import and Export Co., Ltd.
2026-05-26
Rising Overseas Demand Drives Sound Development of Fastener Foreign Trade
As global manufacturing, infrastructure and machinery industries recover, international demand for industrial fasteners keeps rising. Leveraging long-term industry experience, mature production systems and comprehensive after-sales services, China’s fastener foreign trade sector continues to expand overseas markets. Products are sold to many regions around the world with a growing customer base. The industry maintains steady order growth, fully demonstrating the strong market vitality and comprehensive strength of Chinese industrial products.
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Zhejiang Chance & Union Import and Export Co., Ltd.