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  • QAB Self-undercutting Heavy Duty Anchor Bolt

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  • QAB Self-undercutting Heavy Duty Anchor Bolt

    Applicable for:
    Concrete (Grade>=C15)
    Natural stone
    Solid brick wall
    Hollow brick wall
    Aerated brick wall

    Range of use:
    Steel structure
    Curtain wall
    Railing
    Cantilever bracket
    Cable tray
    Mechanical equipment
    Elevator
    Stair
    Door & window

    Description of the product:
    1. Pre-insert self-undercutting heavy duty anchor bolt
    2. Drill a hole at a time with a universal drill.
    3. Slightly tap the anchor bolt with a hammer to put it to its effective depth. When fastened with the nut of the anchor bolt by a spanner, the upper and lower self-undercutting positions will cut the bottom in two ways. At two self-undercutting positions, the anchor bolt is fixed on the base material in trapezoid fastening status. At this time, the bolt obtains fastening force in two ways.
    4. Grade 8.8 for carbon steel SS A2-70 and A4-70 products are available and anchor bolts manufactured under special requirements can also be supplied.

    Advantages of the product:
    1. The anchor bolt will be anchored in two ways with excellent aseismatic performance and high security assurance.
    2. The action directions of the anchor bolt at two self-undercutting positions are adverse, which may offset the expansion strain and result in small edge distance for anchoring.
    3. ( In comparison with chemical anchor bolt) Upon the completion of Installation, the anchor bolt can immediately bear maximum design load without waiting.
    4. It is unnecessary to drill additional holes when replacing with new anchor parts. Rotate the screw of the anchor bolt to remove it and replace with new anchor parts. Then re-install and fasten the removed screw.

    Installation of pre-insert ( anchor bolt of QAB type)
    Step 1. Drill and clear dust
    Step 2. Plug in anchor bolt
    Step 3. Fix the anchored component part
    Step 4. Tighten the anchor bolt screw nut.
  • FORTUNE KEY INDUSTRIAL LIMITED is one of the leading and reliable companies which specialize in Nano Crystallized Glass Panel and Engineered Quartz Stone. With integration of production, processing and sale, in view of the advantage of production, quality and price, all of our products receive great... View More
  • Company Name :Fortune Key Industrial Limited
    Business Type :Manufacturer
    Company Address :Binhai Industrial Area, Shuitou, China
    Postal Code :Manager
    Contact Person :Yahong Huang
    Mobile Phone :0086-13960212673
    Tel :0086-595-86030858
    Fax :0086-595-86908550
    WebSite: Supplier WebSite
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