The tensile strength of the expansion screw, how strong is it

Jun 25, 2018

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Wide applicability, simple construction method, high construction success rate, high tensile design, high-strength expansion and expansion, locking and anti-loose effect, no trouble in disposal, recyclability and high-end design concepts.

Screws

Use and application scope

At present, it is mainly used in high-end foreign construction fields, such as Europe, the United States, the Middle East, Japan and South Korea and other developed countries, entered the domestic market in 2013. Widely used in concrete-related operations. Such as: building curtain wall, interior decoration, air conditioning, lighting, billboards, TV wall, bathroom (kitchenware) hydropower, monitors and other related industries and fields.

Compared to traditional expansion anchors

1. Wide applicability As long as the size of the male thread fits, it is suitable for any type of anchor head type.

2. Construction method selection. According to the needs of the use of fixed-point preset, or drill in a single construction to fill in (installed), its function and effectiveness are exactly the same.

3. High construction success rate. No holes were attached to the hole and the inclination of drilling was disturbed. The completion rate of construction was 100%.

4. High pull design. Full dental taper extension with special inverted hook design.

5. Lock the anti-loose effect. Full-dental taper expansion special design uses the reverse thrust effect to lock the workpiece tightly.

6. Improve design thinking. Short and simple, suitable for use with all commercially available screws, DIY and foreman the most satisfactory construction optional parts.

7. Ensure that the anchor bolt expands. Metal plate pressing products, patented full-dent taper expansion design, strong gripping ability, no idling, no need for professional construction techniques.

8. Disposal no trouble. As long as the anchor bolt is removed from the work piece, the filling agent is restored to the flat surface without any risk of resection or protrusion collision.

Tensile strength concrete 25N/mm2 compared with tensile strength ≧ 800kg, aperture 10.5mm, drilling depth 40mm. Static vertical load 800 hours / test ≦ 500kg displacement ≦ 1 mm. The commercially available product (M8) has a tensile strength of 600 kg, an aperture of 10.5 mm, and a drilling depth of 45 mm. Static vertical load 800 hours / test ≦ 400kg, displacement ≦ 1 mm. However, because currently commercially available products must control the drilling depth or require special tools to use, poor control of the expansion will not completely affect the tensile strength, and may even cause the product to fall out. The new inner screw length controls the expansion of the female part and can fully expand without causing the female part to fall out.