China Hex Nut Manufacturer – Custom Non-Standard Fastener Factory
Zinc Plated Hex Nuts are hexagonal nuts made with carbon steel as the base material and a zinc coating on the surface. Compared to ordinary untreated carbon steel nuts, the zinc coating isolates the steel from direct contact with air and moisture, thus improving the product's rust and corrosion resistance. Therefore, galvanized nuts are widely used in machinery, automotive parts, building installation, electrical equipment, furniture, industrial manufacturing, and general outdoor structures where cost and corrosion resistance are both important.
ZeYao Hardware has over 20 years of experience in custom fastener production and can produce standard and non-standard Zinc Plated Hex Nuts according to customer drawings, samples, or technical requirements. Products can be manufactured according to common standards such as DIN, ISO, ANSI, and JIS, and support customization of metric, imperial, different thread specifications, strength grades, dimensions, tolerances, coating types, and packaging methods. For OEM customers, fastener distributors, and industrial manufacturers requiring long-term stable procurement, we can provide complete manufacturing support from raw materials, forming, thread processing, heat treatment, galvanizing to final inspection.

Detailed Product Specifications
|
Parameter |
Available Options |
|
Product Type |
Hex Nut |
|
Material |
Carbon Steel |
|
Thread Type |
Metric / UNC / UNF / Fine Thread |
|
Size |
M3–M64, customizable upon request |
|
Grade |
Grade 4 / 5 / 6 / 8 / 10 / 12, etc. |
|
Surface Treatment |
Zinc Plated / Yellow Zinc / White Zinc |
|
Zinc Coating |
Customized according to customer corrosion-resistance requirements |
|
Manufacturing Process |
Cold Heading / Threading / Heat Treatment |
|
Inspection |
Dimensions / Thread / Hardness / Appearance, etc. |
|
OEM/ODM |
Available |
|
Packaging |
Bulk / Box / Carton / Pallet / Custom Packaging |
|
MOQ |
Negotiable based on specifications and order quantity |
Customizable options
|
Customization Option |
Details |
|
Size Customization |
Metric, imperial, and non-standard sizes available upon request. |
|
Thread Customization |
Coarse, fine, UNC, UNF, and other specified thread types available based on project requirements. |
|
Material Customization |
Carbon steel, alloy steel, and other materials available based on strength, cost, and application requirements. |
|
Grade Customization |
Various strength grades available according to applicable standards and application requirements. |
|
Zinc Finish |
White zinc, yellow zinc, and other finish options available based on product requirements. |
|
Branding & Marking |
Custom product markings, packaging logos, brand labels, and other branding options available. |
|
Packaging Customization |
Bulk, inner boxes, cartons, pallets, barcode labels, and OEM-branded packaging available. |




Zinc Plated Hex Nut Applications
In machinery manufacturing, they can be used for equipment frames, supports, racks, transmission components, and various mechanical connection structures. In the automotive and automotive parts industry, they can be used for threaded connections in non-critical structures and equipment assemblies. In construction and engineering installations, galvanized products are commonly used for indoor and some general outdoor structural connections. In electrical equipment, furniture, household goods, and industrial products, they are commonly used for securing enclosures, brackets, metal structures, and assembly components. For applications involving long-term exposure to high humidity, salt spray, or highly corrosive chemical media, the coating and material selection need to be re-evaluated based on the specific environment.
FAQ
Q: What are galvanized hex nuts?
A: Zinc plating refers to coating the surface of a steel hex nut with a layer of zinc to improve its corrosion resistance.
Q: Is galvanized steel stronger than stainless steel?
A: Strength depends on the specific steel grade and product specifications. Galvanizing primarily improves corrosion resistance, not the strength of the base material.
Q: Can you customize hex nuts?
A: Yes. We can customize sizes, threads, materials, grades, surface treatments, and packaging according to drawings or samples.
Q: What standards are available for nuts?
A: Common standards include DIN, ISO, ANSI, and JIS, depending on the product specifications.
Q: What is the difference between white zinc and yellow zinc?
A: The main difference lies in the appearance and the specific plating/passivation process used. The required corrosion resistance should be confirmed according to applicable specifications.
Q: Are hex nuts suitable for outdoor use?
A: They are suitable for some outdoor applications, but the required plating and corrosion resistance depend on the environment. Highly corrosive environments may require different coatings or stainless steel materials.
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