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D- Shaped Screw

The D- Shaped Screw is manufactured from high-strength steel, ensuring high durability and resistance to corrosion. The self-drilling design of the D-head screw, with its smooth thread, securely fastens into the purlin body, providing a robust connection.
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    Specification
    Video review
    The technical specifications of the D- Shaped Screw:
    • Material: carbon steel, steel
    • Length: 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 100mm, 120mm
    • Diameter: based on the customer's request
    • Stiffness: ≥ 600/400 HV
    • Surface finishing: plating electric, plating dacromet, plating seven colors Cr6+, plating Cr3+
    • Origin: Viet Nam
    INFORMATION
    REVIEWS & COMMENTS

    Detail

    The D- Shaped Screw is manufactured from high-strength steel, ensuring high durability and resistance to corrosion. The self-drilling design of the D-head screw, with its smooth thread, securely fastens into the purlin body, providing a robust connection.

    The screw's tail is designed with standard sharp edges, ensuring it remains unscathed during drilling and does not suffer from abrasion. All these features contribute to the effective performance of the D-head screw in construction projects, providing users with peace of mind even in harsh weather conditions.

    Products are made from a variety of materials, the most common of which are carbon steel and stainless steel. In accordance with the environment and usage requirements, the completed surface will be coated with an anti-corrosion coating such as Cr 3+, Cr6+, galvanized, or stainless steel. Products are made in accordance with DIN/ISO standards or to customer specifications.

    vít chữ d

    D- Shaped Screw

    The characteristic of the D-shaped screw. 

    The D-Type Screw by Cuong Thinh is tightly controlled, starting from the quality of raw materials to the hexagonal head forming stage. This stage is crucial in determining the quality and aesthetics of the product. Following this process, the screw proceeds to the stage of forming the tip and threaded shank.

    Products are sent to heat lines after going through cold processing stages, where they are heated using modern lines with preset quenching, tempering, and oil quenching temperatures and times.The product is then given the appropriate anti-corrosion layer, such as galvanized dacromet or chromium 3+/6+, if needed. To make sure that the goods on the market meet the remarkable ability of drilling and cutting materials, abrasion resistance, and corrosion resistance, all production stages are sampled and tested in compliance with laws.

    vít chữ d

    The specifications for the D-threaded screw refer to the DIN 7504 standard

    D- Shaped Screw

    thông số vít chữ D

    The reference table for the working parameters of the D- Shaped Screw provided by Cường Thịnh.

    thông số làm việc của vít tole D

     

    The Product Catalog of CTEG Screws

    Application of D- Shaped Screw

    D- Shaped Screw use in the construction industry, particularly in roofing installations. They are primarily employed to establish a connection between roofing sheets and the rafters of metal roofs. D-shaped screws, primarily used to connect the corrugated iron roof's purlin and roofing sheet. Typically, plastic grommets (also known as plastic temples) are used to close the drill holes after corrugated iron screws.


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