Look over PDF drawings 
An ISO 7053 C self-tapping screw is a specialized fastener designed to join various materials without pre-drilling. It features a hex head for driving with a screwdriver and a press-in washer that expands upon tightening, ensuring a secure connection.
Technical Characteristics
- Head: Hexagonal, allowing for standard bit use.
- Thread: Metal, fine pitch for easy driving.
- Press-in washer: Made of soft metal, expands upon tightening for a secure fit.
- Coating: Typically zinc-plated or passivated for corrosion resistance.
Sizes and Strength
ISO 7053 C screws come in various sizes based on thread diameter, length, and head type. The strength class indicates its ability to withstand loads. Different steel grades provide varying strength classes, depending on the materials being joined and expected loads.
Application
These screws belong to the press-in washer group, ideal for thin materials like metal, wood, and plastic. They are widely used in furniture making, automotive, construction, and electrical industries.
Benefits
- Quick and easy installation: No pre-drilling required.
- Secure connection: Press-in washer ensures a tight fit.
- High corrosion resistance: Due to the coating.
- Wide range of sizes: Suitable for various applications.
In essence, ISO 7053 C self-tapping screws offer a reliable and versatile fastening solution for a variety of applications due to their strength, ease of use, and corrosion resistance.
