CUT-SCR SMTH SHK YP 3.5x40mm High-performance cutting screw engineered for smooth shank applications. The 3.5x40mm specification delivers reliable fastening in demanding electrical installations. Yellow passivated finish provides superior corrosion resistance in South African climates. Ideal for securing components in switchboards, distribution boards, and industrial control panels. Smooth shank design minimizes material stress during installation, ensuring consistent performance in repetitive applications. Professional-grade construction meets stringent electrical industry standards.