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The A2 stainless steel M5 metric screw has a nominal diameter of 5 millimeters and a standard thread pitch of 0.8 millimeters. It is widely used for fastening medium-load assemblies in machinery, electrical enclosures, and structural frameworks. The screw is available in lengths ranging from 8 to 60 millimeters, allowing precise adaptation to various design requirements. Its tensile strength reaches approximately 500 MPa, while surface hardness varies between 150 and 180 HV. The unit weight is about 0.020 kilograms per 10 centimeters, enabling engineers to calculate total assembly weight and ensure load distribution accuracy in mechanical and structural applications. The fully threaded design ensures secure engagement with nuts and tapped holes, providing consistent load transfer without localized stress concentration.
A2 stainless steel M5 screws offer excellent corrosion resistance, making them suitable for indoor, semi-outdoor, and mildly corrosive industrial environments. The material composition includes approximately 18–20% chromium and 8–10% nickel, which form a passive oxide layer to prevent rust formation. This protective layer remains effective even in humid, coastal, or chemically mild settings, extending the service life of mechanical assemblies. Additionally, the polished finish reduces the risk of micro-scratches that could compromise corrosion resistance. Engineers often choose M5 A2 screws in applications where durability, reliability, and minimal maintenance are critical, such as automation equipment, HVAC systems, and metallic enclosures exposed to moisture.
In practical industrial applications, the M5 A2 metric screw is used for assembling machinery frames, securing electrical panels, fastening aluminum and steel structural elements, and mounting light mechanical equipment. Its thread geometry, with a 60-degree angle and 0.8-millimeter depth, ensures uniform engagement and load distribution. The screw’s combination of tensile strength, corrosion resistance, and surface finish allows repeated assembly and disassembly without significant wear or thread deformation. Additionally, A2 M5 screws meet ISO 3506-1 standards, guaranteeing consistent mechanical performance, fatigue resistance under cyclic loading, and safe operation in critical assemblies where failure could compromise operational safety.
WEBSITE: M5 A2 stainless steel threaded rod Iran
