RS PRO Slot Countersunk Stainless Steel Machine Screw M4 20 mm A2 Grade 158-3411

RS PRO 158-3411 slot countersunk stainless steel machine screw M4 20 mm is a precision-engineered fastener designed for demanding industrial environments. Manufactured from high-grade A2 stainless steel, it provides excellent corrosion resistance, making it ideal for use in food processing, medical instrumentation, chemical plants, construction projects, and marine conditions.

The countersunk head allows the screw to sit flush with surfaces, delivering a neat finish and secure fastening. It features an M4 metric thread with a 20 mm length, suitable for various machine assembly and repair needs. The slot drive type supports ease of installation and maintenance using conventional tools.

Compliance with DIN 963 standards guarantees consistent quality and interchangeability. The plain finish ensures minimal interference with surrounding components and materials.

This machine screw is crafted to endure harsh environments, including wet or damp locations, and can operate effectively at temperatures up to 300°C. Its versatile use cases span precision engineering, electronics manufacturing, marine fixture installation, chemical industry equipment, and construction applications.

The screw features a countersunk head shape suitable for flush fixing. Thread size is M4 with a length of 20 mm for versatile fastening needs. Manufactured from A2 grade stainless steel ensuring durability and resistance to corrosion.

Drive type is a classic slot, compatible with standard slot screwdrivers. Conforms to DIN 963 standards for metric screws. Plain finish provides a smooth surface ideal for various industrial, chemical, and marine environments.

Suitable for use in food processing, medical, electronics, construction, and marine applications. Can withstand temperatures up to 300°C without loss of performance. For comprehensive fastening solutions, explore the RS PRO range of Machine Screws on EnvMart.