Fasteners may seem like simple components, but choosing the wrong type can compromise structural integrity, lead to premature failure, and create safety hazards. Understanding fastener types, materials, and applications is essential for any construction or manufacturing professional.
Bolts and nuts are the workhorses of structural connections. They come in various grades — from Grade 4.8 for light-duty applications to Grade 10.9 for high-strength structural connections. Fischer through bolts provide reliable anchoring in concrete and masonry, rated for both static and dynamic loads.
Self-drilling screws eliminate the need for pre-drilling, saving significant time in metal-to-metal and metal-to-wood connections. Self-tapping screws create their own threads in pre-drilled holes, ideal for sheet metal and thin materials. Coach screws handle heavy timber connections with their large hex heads and coarse threads.
Gypsum screws are specifically designed for attaching plasterboard to metal or wood studs. Their bugle heads sit flush with the board surface and their sharp points penetrate without pre-drilling. Using the right screw prevents cracking and ensures a smooth finished surface.
Threaded bars provide versatile solutions for custom-length connections and tensioning applications. Fischer offers these in stainless steel, nickel plate, galvanized, and mild steel variants to suit different environmental conditions. Stainless steel is essential for outdoor and marine environments, while galvanized is cost-effective for general construction.
Blind rivets in aluminum offer permanent, tamper-resistant connections ideal for sheet metal, signage, and enclosure assembly. They require access from only one side, making them perfect for hollow sections and enclosed structures. At Hadeed Hardware, our Fischer range covers all your fastening needs with quality you can trust.