







The Top Explosion Screw, often referred to as the top burst expansion screw or ceiling expansion bolt, is a distinctive type of expansion screw that excels in a myriad of installation environments. Its innovative structure and unparalleled performance make it indispensable. Let's delve into its core components, operating principle, unique features, intended applications, usage techniques, and important precautions:
Structure: This marvel is crafted with precision, primarily consisting of a casing, expansion tube, screw, nut, and gasket. The casing is cylindrical, with a closed base and open top, housing the expansion tube. The screw threads through it, featuring a flat or cross-shaped head for effortless tool engagement, and a conical bottom for optimal expansion. Nuts and washers ensure secure fastening of objects.
Working Principle: Begin by drilling a hole into the installation surface, insert the Top Explosion Screw, and use a tool to twist the screw. As the screw ascends, the conical base expands the tube outward, tightly pressing against the hole walls. This action generates robust friction and an exceptional anchoring force, ensuring objects are securely affixed to the base.
• Characteristics
Unparalleled Anchoring Strength: Its ingenious design ensures a broader contact area with the hole wall post-expansion, providing a much stronger anchoring force than conventional expansion screws, perfect for supporting heavier loads.
Streamlined Installation: With a straightforward operational method, simply tightening the screw completes the expansion and fixation process, significantly enhancing construction efficiency.
Sleek Aesthetic: Post-installation, the sleeve remains discreetly within the hole, offering a clean look, ideal for settings where appearance is paramount.
Remarkable Stability: Even under high tension and vibration conditions, it maintains a steadfast hold, ensuring a consistently stable and reliable connection.
• Usage scenarios
Decoration and Renovation: Perfect for securing ceiling joists, chandeliers, and large decorative art pieces, guaranteeing the durability and safety of decorative elements.
Home Installations: Ideal for anchoring heavy furniture like large wardrobes or bookcases, ensuring stability and safety in everyday use.
Engineering Projects: Provides steadfast support and secure fixation for machinery and electrical installations, pipeline anchoring, and various engineering endeavors.
• Instructions for use
1. Measurement and Positioning: Use precise measuring tools to accurately mark drill points at the designated installation sites based on your specific requirements.
2. Drilling: Select a drill bit that aligns with the Top Explosion Screw's specifications. Drill vertically at marked points, ensuring the hole is slightly deeper than the screw length for full insertion.
3. Screw Insertion: Insert the entire Top Explosion Screw into the drilled hole, ensuring the sleeve fits snugly against the hole walls for optimal performance.
4. Securing Objects: Position the item to be fixed over the screw, add the gasket and nut in sequence, and use a wrench or power tool to tighten the nut. As the screw ascends, the expansion tube extends, completing the secure fixation.
• Precautions
Specification Alignment: Choose the correct Top Explosion Screw size based on the weight, dimensions, and material of the object being installed to ensure it meets load-bearing standards.
Quality Assurance: Prior to installation, meticulously inspect each component of the Top Explosion Screw. Replace any deformed or damaged parts promptly to maintain effective fixation.
Force Regulation: Tighten the nut with care to avoid excessive force that could break the screw or over-expand the tube, potentially harming the substrate. Likewise, insufficient force may lead to ineffective fixing.