Expansion bolts are mechanical anchors designed to create a secure connection in concrete, brick, or block by expanding against the hole walls when tightened. This mechanism ensures high load-bearing capacity, making them ideal for heavy-duty applications like suspending HVAC systems, piping, or structural steel. For example, in a warehouse renovation, expansion bolts secure overhead conveyor tracks to concrete ceilings, enduring the weight of transported goods and mechanical vibrations. Available in sleeve, drop-in, or wedge designs, these bolts accommodate varying hole diameters and substrate conditions. Stainless steel variants resist corrosion in outdoor or chemical-exposed environments, while zinc-plated options offer cost-effective solutions for indoor use. Our inventory includes metric and imperial sizes, with certifications for fire resistance and seismic performance. To determine the right expansion bolt for your project, contact our engineers for load calculations, hole preparation guidelines, and installation training.
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