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Made of low-carbon steel, with a tensile strength of ≥ 400MPa and a yield strength of ≥ 320MPa, it has good toughness and plasticity.
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Made of high-quality medium carbon steel that has undergone quenching and tempering treatment.
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Mainly made of 304 (A2-70) or 316 (A4-80) stainless steel, it has excellent corrosion resistance and is suitable for humid and corrosive environments such as chemical, food, medical, and marine industries.
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The substrate can be 4.8 to 8.8 grade carbon steel bolts, and the surface is treated with electroplating zinc and rainbow passivation.
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The head can sink into the interior of the workpiece, providing a clean and smooth connection surface, saving space.
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The larger head size provides a larger force surface for the wrench, making it easier to tighten and disassemble.
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Specially designed bolts for friction type connections in steel structures.
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Made of alloy structural steel and subjected to strict heat treatment processes, the tensile strength is ≥ 1200MPa, the yield strength is ≥ 1080MPa, and the core hardness reaches 39-44HRC.
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As a standard fastener, we strictly follow the GB/T 6170 standard and use high-quality carbon steel cold heading forming to provide multiple strength grades of 4-10.
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Specially designed for vibration conditions, it adopts two types of locking structures: full metal locking structure (GB/T 6185) or nylon insert locking structure (GB/T 889).
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Adopting a hemispherical closed design, it achieves standard fastening function while also providing protection and decoration.
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Specially designed for welding connections, the bottom is equipped with welding protrusions or positioning feet, which can be firmly connected to the base material using spot welding or projection welding processes.
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The integrated flange design significantly increases the pressure bearing area, and the anti slip teeth on the flange surface further enhance the anti loosening performance.
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Specially designed for vehicle wheels, using special heat treatment processes to ensure high strength and durability.
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Adopting a thickened design, both inside and outside are processed with precision threads, specifically designed to connect screws and bolts of different diameters or types.
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The unique design can be used in conjunction with groove systems such as channel steel and T-shaped grooves, allowing for flexible positioning at any position within the groove.
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Made of Q235 steel precision stamping, the surface can be treated with galvanizing, nickel plating and other treatments.
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As the most common type of gasket, strictly follow the GB/T 97.1 standard. Made of high-quality cold-rolled steel plate, the inner hole is precision chamfered for easy installation.
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