Hexagonal internal expansion bolts combine the high strength of a hexagonal bolt with the convenience of an expansion bolt. They usually consist of a hex head, a threaded rod and an expansion tube. The expansion tube is usually designed with a cutout that unfolds inside the wall when the bolt is screwed in place, providing a secure fixing.
Stainless Steel (304/316): Offers superior corrosion resistance and is suitable for moist or corrosive environments. The 316 grade has additional molybdenum, providing even better corrosion resistance, especially in marine applications.
Carbon Steel: Provides good strength and is the most common material for bolts. It may require additional surface treatments like galvanizing for increased corrosion resistance.
Alloy Steel: Offers enhanced strength and durability. It is often used in high-stress applications where high tensile strength is required.
Advantage:
HIGH STRENGTH: The hexagonal head design provides greater torque carrying capacity for high load applications.
Quick Installation: Expansion bolts are quick and easy to install, improving construction efficiency.
Wide applicability: Suitable for a wide range of materials, including concrete, brick and wood.
Corrosion resistance: Some models are made of stainless steel, making them suitable for wet or corrosive environments.
Adjustability and reusability: Expansion bolts can be adjusted for tightening strength and can be easily removed after loosening, making it easy to repair and replace equipment.
Scope of Application
Building structure fixing: used to fix windows, door frames, brackets and other building components. Machinery and equipment installation: fixing machine bases, pipes and other equipment to ensure their stability and safety. Furnishing and decorating: for fixing decorations on plasterboard walls, hanging objects and installing furniture, etc. Electrical and plumbing systems: fixing wire channels, pipes and fittings. Outdoor applications: for outdoor environments such as fixing guardrails, signage and other outdoor structures.
