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Buy Heavy-Duty Fish Scale Expansion Bolt - Anti-Slip Design from China Suppliers & Factory for Strong Wall Fixing Manufacturer, Manufacturers
Product Description
Product Application
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Widely used for ceiling suspension, pipeline bracket fixing, shelf installation, curtain wall keel and lightweight wall fastening in construction engineering and interior decoration.
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Specifically designed for hollow bricks, porous bricks, aerated concrete blocks and other lightweight wall bases, solving the problem of easy slipping of ordinary expansion bolts.
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Suitable for indoor and outdoor building fixing scenarios, providing reliable support for hanging objects, mechanical equipment accessories and decorative components.
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Ideal for engineering renovation, home decoration and equipment maintenance, adapting to various thin-walled and porous base environments with poor fastening conditions.
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Compatible with standard threaded rods and installation tools, meeting the fastening needs of construction sites and decoration projects with high stability requirements.
Material & Processing Features
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Manufactured from high-grade carbon steel with quenching treatment, featuring high hardness, strong tensile strength and good toughness, not easy to break under load.
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Unique fish scale anti-slip texture on the expansion sleeve, enhances friction with the base, effectively prevents backward slipping and improves fastening stability.
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Precision stamping and integrated molding process, uniform expansion sleeve thickness, strict dimensional tolerance control, ensuring consistent expansion effect.
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Standard hexagonal head design fits common wrenches, labor-saving installation, smooth and neat threads for tight fitting with nuts.
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Surface galvanized anti-rust treatment improves corrosion resistance, suitable for humid indoor and general outdoor environments, prolonging service life.
Core Product Benefits
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Fish scale anti-slip design greatly enhances the gripping force on lightweight walls, effectively disperses stress, avoids falling off and ensures construction safety.
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Strong adaptability to special bases, solves the fastening difficulty of hollow and porous walls, and expands the application scope of expansion bolts.
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High-strength structure delivers excellent load-bearing performance, resists vibration and loosening, maintaining long-term stable fastening.
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Simple installation process, no complex operation required, suitable for on-site construction, improving overall project efficiency.
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Complete specifications with various diameters and lengths, supporting customized processing to match different wall thicknesses and load-bearing needs.
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Comply with international building fastener standards, passing tensile test and load test, with stable quality and cost-effective performance.
Detail Pictures
Frequently Asked Questions
Q: What types of wall materials are these fish scale expansion bolts best suited for?
A: They are specifically designed for lightweight and porous bases such as hollow bricks, aerated concrete blocks, and thin-walled structures where ordinary bolts might slip.
Q: How does the fish scale texture improve performance?
A: The unique fish scale anti-slip texture increases friction between the expansion sleeve and the base material, preventing backward slipping and ensuring a more stable grip.
Q: Are these bolts resistant to rust for outdoor use?
A: Yes, the surface undergoes a galvanized anti-rust treatment, making them suitable for humid indoor environments and general outdoor building scenarios.
Q: What material are these expansion bolts made of?
A: They are manufactured from high-grade carbon steel with quenching treatment, providing high hardness, excellent tensile strength, and toughness.
Q: Can I get customized sizes for specific project needs?
A: Absolutely. We offer complete specifications with various diameters and lengths, and we support customized processing to match your specific wall thickness and load requirements.
Q: Do these bolts comply with construction safety standards?
A: Yes, our products comply with international building fastener standards and have passed rigorous tensile and load-bearing tests to ensure construction safety.
