4.2 mm x 19.1 mm Self-Tapping Truss Head Screw

This self-tapping truss head screw, measuring 4.2 mm by 19.1 mm, offers a dependable fastening solution for a wide range of audio and electronic assembly tasks. Its robust construction ensures a secure hold in various materials, making it an essential addition to any workshop or repair kit. The truss head design provides a low profile yet broad bearing surface, ideal for applications where space is limited or a neat finish is required.

Ideal for securing audio components such as amplifier modules, speaker terminals, and crossover boards, this screw also excels in mounting electronic enclosures, control panels, and junction boxes. Its self-tapping nature means it can be driven directly into plastic, thin metal, or wood without the need for pre-drilling, saving valuable time during installation or prototyping. Hobbyists and professionals alike will find it useful for building custom effects pedals, rack-mount equipment, or repairing vintage audio gear.

The screw features a sharp, self-tapping point that cuts clean threads as it is inserted, ensuring a tight and vibration-resistant fit. The truss head distributes clamping force evenly, reducing the risk of damage to delicate surfaces. Made from durable steel with a corrosion-resistant finish, it provides long-lasting reliability in demanding environments. With its precise dimensions and ease of use, this screw is a practical choice for secure, efficient assembly.