SS Hex Head Bolt:M20 x 40 - DIN 933/A2/Full Thread

This stainless steel hex head bolt is manufactured to the DIN 933 standard and features an M20 nominal diameter with a 40 mm nominal length. Designed for applications requiring corrosion resistance, this fastener utilizes an A2 property class material, making it suitable for environments where general rust protection is necessary. The full thread coverage allows for secure engagement throughout the entire shank length, providing consistent clamping force and compatibility with various nut and washer combinations. Buyers select this specification for its reliable performance in general engineering and outdoor installations where zinc-plated alternatives might be prone to rapid deterioration. To choose the correct size, verify that the M20 thread pitch and 40 mm length align with your specific assembly requirements and load-bearing needs.