In the vast realm of industrial fasteners, rivet-pressed screws, often simply referred to as press-fit rivets or press-in screws, stand out as a versatile and reliable solution for securing components together. Unlike traditional threaded screws that require torque to be tightened, press-fit rivets rely on the elastic deformation of the material to achieve a secure fit, making them ideal for applications where vibration, thermal expansion, or space constraints are present.

Structure and Mechanism

  A typical press-fit rivet consists of a shank, a head, and, in some cases, a break-off tail. The shank is designed to be inserted into a pre-drilled hole in two or more mating parts. When the rivet is pressed into place using a specialized tool or press, the shank expands slightly, filling the hole and creating a friction lock between the rivet and the surrounding material. This expansion ensures that the rivet remains securely fastened, even under conditions of high stress or vibration.

Advantages

  Vibration Resistance: Press-fit rivets are particularly effective in applications where vibration can loosen conventional fasteners. The friction lock created during installation prevents the rivet from working loose over time.

Space Efficiency: In designs where space is limited, press-fit rivets offer a compact solution. They require no additional space for threading or nuts, allowing for a cleaner and more streamlined assembly.

Cost-Effective: The installation process, often automated, can be faster and more efficient than threading or torquing traditional screws, reducing labor costs and assembly time.

Versatility: Available in a range of materials, sizes, and shapes, press-fit rivets can be tailored to fit almost any application, from lightweight electronics to heavy-duty automotive components.