







The flat head knurled hand screw is a remarkable fastening component, celebrated for its distinctive structure and function, uniquely designed for direct hand operation. The flat head shape, elegantly combined with an artfully knurled design, serves an indispensable role across a multitude of scenarios. Here is a detailed glimpse into its features:
• Aesthetic and Functional Features
Head Design: Featuring a flat screw head, it boasts a broad, flat top surface that seamlessly integrates with the installation area. Once installed, the surface remains flush, avoiding protrusion unlike high head screws, thus minimizing collision risk. This makes it ideal for applications with spatial constraints or where a sleek surface finish is desired.
Rolling Process: The head undergoes a specialized rolling treatment, creating precise straight or mesh patterns. This enhances surface friction, facilitating easier, more stable manual operations, eliminating the necessity for tools like screwdrivers.
• Specification Parameters
Thread Specifications: Available in common sizes such as M2, M3, M4, M5, and M6. 'M' denotes metric threads, with the number indicating nominal diameter, catering to diverse fastening requirements.
Length Range: Typically spanning 3mm to 50mm, shorter variants are perfect for securing thin plates, while longer versions adeptly connect thicker or multi-layer components, offering versatility across numerous installation scenarios.
• Materials and Surface Treatments
Material Type: Constructed from materials like stainless steel, carbon steel, and brass. Stainless steel offers superb corrosion resistance, ideal for humid or chemically reactive environments. Carbon steel promises high strength, with heat treatment enhancing performance. Brass, known for excellent conductivity and thermal properties, is widely used in electrical and electronic domains.
Surface Treatment: A variety of surface treatments enhance rust prevention and wear resistance. Galvanizing provides a protective film for superior corrosion resistance, while nickel plating boosts aesthetics and durability. Blackening creates an oxide film, offering both rust protection and an appealing decorative finish.
• Application Scenarios
Electronic Appliances: Employed in devices like computers, TVs, and audio systems to secure components such as casings and circuit boards, enabling easy installation and maintenance. They ensure a smooth, attractive surface finish.
Instrumentation: These screws are vital in assembling precision instruments, safeguarding the instrument surface while ensuring precise, reliable installation of internal components.
Furniture Assembly: In panel furniture and small wooden crafts, they connect boards effortlessly and swiftly by hand. The installation leaves the surface smooth, preserving the item's aesthetic appeal.