S-90271A622 3/8"-16 x 3/4" ASME B18.6.3 Steel Truss Head Slotted Screws

Key Features & Benefits at a Glance

• Enhanced load distribution with wide truss head design, reducing surface pressure and preventing material damage
• Superior corrosion resistance from zinc-plated steel construction, ensuring longevity in harsh industrial environments
• High tensile strength of 60,000 psi for reliable performance in heavy-duty applications
• Rockwell B69 hardness providing excellent durability and resistance to wear
• Fast and secure installation with UNC coarse threading and Class 2A thread fit for precise engagement
• Full threading along the entire 3/4" length for maximum grip and holding power
• Slotted drive compatibility for easy assembly with standard tools

Professional Applications & Engineering Value

This zinc-plated steel truss head screw is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The wide truss head design significantly increases bearing surface area, distributing clamping force more evenly to prevent joint fatigue in machinery, automotive assemblies, and structural frameworks. Its UNC coarse thread and Class 2A fit ensure quick, reliable fastening with reduced cross-threading risks, while the zinc plating offers a protective barrier against moisture and chemicals. Ideal for applications requiring robust, corrosion-resistant fasteners that maintain integrity under high stress, this screw delivers consistent performance in manufacturing, construction, and maintenance operations.

Specification Summary & Compliance

This screw features precise Class 2A thread fit with UNC coarse threading (3/8"-16) and a length of 3/4". It is manufactured in compliance with ASME B18.6.3 standards, ensuring dimensional accuracy and mechanical reliability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.