ISO Certified Large Hexagonal Bolts HSFG High Strength Friction Grip Bolts for Construction

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ISO Certified Large Hexagonal Bolts HSFG High Strength Friction Grip Bolts for Construction


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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.


materialSteelGradeClass 10.9
Thread TypeUNFHead TypeHex
finishBlack oxidenuts per bolt2
Rockwell hardnessHRC 33-39Tensile strength150-173 ksi
Yield strengthMin. 130 ksiSurface treatmentBlack oxide , Hot-dip galvanized
Head MarkWe can mark the customers' abbreviations, such as "T 4" "T8" etcCertificateISO9001;CE,3-1 CERTIFICATES
AppearanceBright neat body, without any burrsQuality Control100% inspection during production


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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