GB70 - Carbon Steel - Grade B, A - Grade 4.8 - Galvanized
Product Details
Product Name: Yongjing Racket Screw (Hexagon Socket Cylinder Head Screw)
Technical Standard: GB/T70
Product Grade: Grade B / Grade A
Performance Grade: Grade 4.8
Material: Carbon Steel
Surface Treatment: Galvanized
Product Type: Hexagon Socket Cylinder Head Screw
Product Description
Product Overview
This product is a hexagon socket cylinder head screw complying with GB/T70 standard, manufactured from carbon steel material, with a performance grade of 4.8 and galvanized surface treatment. Because the side of its cylinder head is arc-shaped, similar to a racket, it is commonly known as a "racket screw". This design provides a large wrench contact surface, facilitating the application of torque and achieving a reliable fastening connection.
Core Advantages
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Large Tightening Torque: The hexagon socket drive structure can withstand high tightening torque and prevent slipping.
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Attractive and Compact Head: The cylinder head design has a simple appearance and occupies little space after installation.
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Corrosion Protection: The galvanized surface treatment provides basic rust and corrosion resistance.
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Economical and Practical: The combination of carbon steel material and galvanizing process balances performance and cost.
Applicable Industries
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Industrial Equipment Manufacturing: Assembly of parts and structural connections of various equipment such as machine tools, molds, pumps, valves and general machinery.
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Electronic and Electrical Products: Internal fastening of products such as server racks, motor casings, control cabinets and instruments.
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Furniture and Hardware Installation: Occasions requiring concealed or high-strength fastening such as high-end furniture, sports equipment, metal frames and exhibition equipment.
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Automotive and Motorcycle: Fixation of engine peripheral accessories, non-critical chassis components, interior parts and modified parts.
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Infrastructure Construction: Fastening of outdoor facilities such as bridge accessories, steel structure connecting plates, pipeline brackets and inspection port covers.
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Rail Transit Equipment: Installation and fixation of vehicle internal equipment brackets, decorative panels, boxes and cabinets.
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New Energy Equipment: Connection points such as photovoltaic brackets, internal structures of wind power generation equipment and battery pack casings.
Warm Tips
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Please use a size-matched and qualified hexagon socket wrench during installation to ensure full engagement.
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It is recommended to regularly check the fastening points in vibrating or humid environments and re-tighten them if necessary.
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Please keep the packaging intact when storing, and place it in a dry and ventilated place to avoid damage to the coating.
