RS PRO Bright Zinc Steel Sems Screw, Pan Head, Spring Washer, M5 Thread, 16mm Length, Pozidriv BS 4183/DIN 127B 279-234

RS PRO 279-234 is a bright zinc-plated steel Sems screw featuring a pan head and an integral external spring washer, designed for secure fastening and quick installations. With an M5 coarse thread and a 16mm length, this screw is manufactured to BS 4183 and DIN 127B standards, providing assurance of quality and reliability in demanding industrial environments.

The pan head design with Pozidriv drive enables easy application of torque, while the pre-attached spring washer ensures a shake-proof fastening without needing additional washer components. Bright zinc plating not only improves resistance to corrosion, but also provides a clean, professional finish suitable for electronic and mechanical assemblies.

Sems screws are valued in assembly lines, particularly where time-saving and inventory reduction are critical. Pre-assembled fasteners speed up installation, extend product life, and minimize risk of missing washers during maintenance or manufacturing.

Typical applications include electrical connector assemblies, PCB mounting, drone sub-assemblies, avionic and flight control systems, infra-red system housings, battery packs, and ground/naval control systems. The M5 thread and 16mm length make this screw adaptable to various fixture and panel thicknesses.

Engineers appreciate the ease-of-use and reliability of RS PRO Sems screws for both new projects and repairs. The combination of pan head, Pozidriv drive, external spring washer, bright zinc finish, and adherence to BS/DIN standards delivers an optimal solution for industrial fastener needs.

High-quality Sems screw combining a pan head Pozidriv drive with an integral spring washer for secure fastening. Made from robust steel and finished with bright zinc plating for enhanced corrosion resistance. M5 coarse thread size with 16mm length, meeting BS 4183 and DIN 127B standards.

Pre-assembled captive washer speeds up installation and simplifies component assembly. Suitable for use in electrical connector assemblies, sub-assemblies, flight control systems, and PCB applications. Designed for reliability in avionics, industrial electronics, drone assemblies, and battery packs.

Reduces number of components and improves inventory management in manufacturing and repair environments. Browse EnvMart for more high-quality industrial screws, fasteners, and RS PRO branded products for assembly and manufacturing applications.

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