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Spiral road nail

Compatible Drill Holes: φ26–32mm (2–4mm larger than the rod diameter).

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  • 产品描述
  • Structure

    Head: Hexagonal head (tightened with a wrench) or round head (hammered);
    Shaft: Full-length helical thread (key feature), outer diameter 22–30mm;
    Tip: Conical, facilitating insertion into the drilled hole;
    Material: Q235/Q355, 40Cr; surface black steel / hot-dip galvanized for rust prevention. 

    Mine application

    Top of the roadway / Temporary support for both sides, reinforcement of the side walls, fixation of mesh;
    Used in conjunction with anchor plates (Mining support anchor plate), nuts, and mesh;
    Quick support for soft rock, fractured surrounding rock, and small-section roadways. 

    Common Specifications

    Diameter: M24 (φ24mm), M27, M30;
    Length: 150/180/200/250mm;
    Pitch Type: Full Spiral / Half Spiral;
    Compatible Drill Holes: φ26–32mm (2–4mm larger than the rod diameter).

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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