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Pipe seam anchor rod

High-frequency welded seamless steel pipe, longitudinal long slit

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  • 产品描述
  • Structure

    High-frequency welded seamless steel pipe, longitudinal long slit
    Top conical guiding head with reduced diameter
    Tail limiting retaining ring
    Supplementary parts: anchor plate (anchor plate tray), wire mesh / steel strip 

    Working principle 

    The diameter of the drill hole is less than the outer diameter of the pipe body. The pipe is forcibly driven into the hole.
    The pipe body is compressed and shrinks, and the elasticity of the pipe wall generates continuous clamping friction force on the hole wall.
    The entire length is anchored and immediately bears load, without the need for anchoring agent. 

    Common mining specifications 

    Outer diameter: Φ33, Φ39, Φ42, Φ47
    Length: 1.2m, 1.5m, 1.8m, 2.0m, 2.2m, 2.5m
    Material: Q235 / Q355 high-strength steel 

    Applicable scenarios

    Coal mines, underground tunnels of metal mines, tunnels in fractured rock areas, soft rock tunnels with significant deformation, support for such tunnels

About Us

Hebei Tianlong Fastener Co., LTD., founded in 2006, has been deeply engaged in the field of fastener manufacturing for 18 years, and is a modern enterprise integrating  scientific research and development, intelligent manufacturing, global marketing and technical services.

The company has always adhered to the innovation-driven development  strategy, through systematic talent training, forged a core team composed of senior engineers, innovative technicians and industry elites, combined with advanced management system, automatic machining center and intelligent testing system, to build a full chain of excellence guarantee system through research and development, production and quality control. Continue to provide customers with high-precision, high-strength, high-stability fastening solutions.

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FAQ

How long has Tianlong Fastener been in the fastener manufacturing industry?

We have over 18 years of professional experience since our founding in 2006.

What core capabilities does Tianlong Fastener have?

We integrate R&D, intelligent manufacturing, global marketing and technical services.

Does Tianlong Fastener offer standard fastener products?

Yes, we supply 8.8/10.9/12.9 class bolts/nuts complying with GB, DIN, ASTM, BS, JIS, ISO.

Can Tianlong Fastener provide custom fastener solutions?

Absolutely, custom services are our core strength for special demands.

What custom materials can the fasteners be made of?

We customize fasteners with stainless steel, copper, aluminum alloy and other special materials.

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