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Stainless Steel Expansion Bolts

Short Description:

  • Standard:
  • Material:
    201,304, 316
  • Grade:
    A2-70, A4-70, A4-80
  • Nominal Diameter:
  • Pitch:
  • Length:
  • Surface Treatment:
    True color, whitewash
  • Acceptance: OEM/ODM, Trade, Wholesale, Regional Agency

    Payment: T/T, L/C, PayPal

    We are based in China, we have our own factory. We are your best choice and most dependable business partner among many trading companies.

    We are happy to respond to any inquiries; please send your questions and orders.

    Stock Sample is Free & Available

    Product Detail

    Product Tags


    Stainless steel expansion bolts can be divided into seven types according to their types, which are as follows:

    1.Metal expansion bolts (or called casing expansion bolts): is the most commonly used expansion bolts, according to the head shape is also divided into hexagonal head expansion screws, round head expansion screws, square head expansion screws, countersunk head expansion screws, etc.. It is a special threaded connection used to fix the air duct support, hanging, bracket or equipment on the wall, floor, column.

    2.Stainless steel car repair gecko expansion bolts: No higher requirements for concrete cavity depth and cleanliness, easy to install, and not expensive. Usually used for heavy-duty facilities.

    3.Stainless steel internal forced expansion bolts: When using, you must first use the impact drill (hammer) to drill the corresponding size hole in the fixed body, and then put the bolt, expansion tube into the hole, tighten the nut to make the bolt, expansion tube, mounting parts and the fixed body between the expansion into one.

    4.Stainless steel countersunk head expansion bolts: also belongs to a kind of internal expansion, so also called stainless steel countersunk head internal expansion, installation to be fixed in the surface of the first hit a countersunk hole, after installation, the head of the screw is flush with the surface. Mostly used in doors and windows, railings, decoration, construction, etc.

    5.Stainless steel small yellow fish expansion bolts: also known as small yellow fish plastic expansion tube, the product has strong bearing capacity, durable, stainless steel material is not easy to rust, full expansion.

    6.Stainless steel rear reaming mechanical anchor: also known as rear reaming anchor or self-cutting anchor, rear reaming mechanical anchor factory direct sales, stable performance, high temperature resistance, vibration resistance, durable, can be customized, quality assurance.

    7.Stainless steel external hexagonal internal expansion bolts: consist of hexagonal bolts, non-slip expansion tubes, thickened washers, non-slip taper nuts, all made of 304 stainless steel.

    Due to the different types of expansion bolts, the role of the parts will be different, and therefore, when purchasing expansion bolts, it should be determined according to the actual situation to ensure normal use. Stainless steel expansion bolts are one of the main products of Aozhan Hardware Factory, with a wide range of products that are strong and durable, so contact us quickly for consultation!

    Advantages of Stainless Steel Expansion Bolts:

    1. Standard craftsmanship, quality assurance

    2. Complete specifications, available from stock

    3. Wear-resistant and rust-proof, fast and durable

    4. Easy to operate and quick to use

    Quality Inspection


    Why choose us?

    1. Selected raw materials, quality guaranteed

    2.Proven technology for the production of expansion bolts, and the product is fast and durable

    3. Expansion bolts factory direct supply, spot supply, ex-factory price

    4. There are many varieties, providing one-stop shopping

    5. Can be processed with drawings and samples, fast delivery

    Production Process

    Production- process

    Application of Stainless Steel Expansion Bolts:

    Expansion screws are flat due to small drilling holes, large pulling force and exposure after use. If they are not used, they can be removed at will. The advantages of keeping the wall flat are obvious. They are widely used in various decoration occasions.

    1. Fasten air conditioners, water heaters, range hoods, etc.

    2. Fix frameless balcony windows, security doors and windows, kitchen, bathroom components, etc.

    3. Ceiling screw fixation (used in combination with sleeve and cone cap)

    4. Other occasions that need to be fixed

    Application Diagram


    Our Certification

    Our Certification

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