Standard Metric Hex Nuts High Strength Long Lasting Use Carbon Steel Black Oxide for Bolts and Screws

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Standard Metric Hex Nuts High Strength Long Lasting Use Carbon Steel Black Oxide for Bolts and Screws


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Custom Design: Precise design and production based on customer-provided drawings or requirements.

Material Selection: Supports a variety of material options to meet performance and durability standards.

Production Lead Time: Flexible delivery times based on order complexity and quantity.

Quality Control: Strict quality inspections throughout the process to ensure all products meet international standards.


SizeM3-M100measurement systemMetric
GradeClass 4/6/8/12Nut ShapeHexagonal
Thread DirectionRight HandfinishBlack Oxide / Zinc Plated / Hot Dip Galvanized / P
applicationIndustrial machinery, automotive manufacturing, coHole DiameterStandard metric thread sizes (M3-M100)
Thread lengthFull thread (standard hex nut)Body TypeHex
Total LengthCustomizableproduction methodCold forging + heat treatment + precision threadin
Intended useFastening applications paired with hex head boltsProduct nameHigh-Strength Carbon Steel Hex Nuts
Grade/Class4/6/8/12MaterialCarbon Steel
Size RangeM3-M100 (custom sizes available)Thread TypeMetric
Nut TypeStandard Hex NutShapeHexagonal
FinishBlack Oxide/Zinc Plated/Hot Dip Galvanized/PlainOEM/ODMCustom logo, size, and finish service available
ApplicationsIndustrial machinery, automotive, construction, heavy equipment, etc


Our products focus on providing high-quality custom solutions for customers. As a leading OEM manufacturer, we can accurately produce a wide range of fasteners, screws, nuts, bolts, rivets, and other products based on customer drawings or requirements. The company uses carefully selected materials and advanced manufacturing processes to ensure that each product undergoes strict quality control and meets international standards. Our services span various industries, including automotive, machinery manufacturing, construction, and electronics, dedicated to providing efficient and reliable custom fastening products for all industries.

Our website currently displays only a portion of our products. If you have specific requirements or need more detailed product information, please feel free to contact us. Our team of professionals is ready to provide tailor-made solutions to help your brand stand out.

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