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Core Competence
  • Quality Control
    Our bolts and screws are certified by lSO, DIN, GB and other relevant standards, and the product quality is guaranteed.
  • Precision Machining
    Jiajie uses modern automated production lines to improve production efficiency and product consistency, meet customer needs, and deliver on time.
Who we are
Jiangsu Jiajie Special Screw Co., Ltd.
Jiangsu Jiajie Special Screw Co., Ltd.
Jiangsu Jiajie Special Screw Co., Ltd. was established in 2008. It is a company specializing in stainless steel products. The company is located in Dainan Town, a famous stainless steel town in China. Our main products include hexagon screwshexagon screws, hexagon nuts, washers, self-tapping screws, machine screwsthreaded rods, flanges, pipe fittings and non-standard fasteners and stainlesssteel wires. The products comply with GB, DIN, iso, and other standards and are widely used in photovoltaics, decoration, marine engineering, and machinery: petrochemicals, ships, rail transportation, and other industries.
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Latest News
  • What scenarios can hexagon head bolts be used in?
    Hexagon Head Bolt is a commonly used fastener in mechanical connection. Because of its hexagonal head, it is easy to tighten with a wrench or socket tool. It has the characteristics of strong bearing capacity, good stability and easy installation. The following are its typical application scenarios:...
    03
    Mar
    2025
  • Advantages of fasteners in industrial construction.
    As a key component in mechanical assembly, fasteners have the following advantages, which are applicable to industrial manufacturing, construction, automobiles, aerospace and other fields:1. Efficient assembly and disassemblyStandardized design: in line with international standards (such as ISO, DIN...
    03
    Mar
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  • High strength titanium alloy screws
    High-strength titanium alloy screws are widely used in the aerospace field, mainly due to the properties of titanium alloy such as lightweight, high strength, corrosion resistance and high temperature resistance. The following are its key applications and technological progress: 1. Core advantagesLi...
    03
    Mar
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  • Double nut structure is a classic anti-loosening fastening solution
    The double nut structure is a classic anti-loosening fastening solution that resists loosening under vibration and dynamic loads through the interaction of two nuts (such as friction, deformation or mechanical interlocking). In recent years, with the improvement of reliability requirements in indust...
    03
    Mar
    2025
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