S-94135A123 8-32 x 3/4" ASME B18.6.3 Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B87 hardness for reliable performance under high stress.
• Wide bearing surface from the rounded truss head design distributes load effectively, reducing surface damage and preventing pull-through.
• Secure and tamper-resistant installation using the drilled spanner drive, providing a positive grip for precise torque application.
• Quick and easy assembly with coarse UNC threads and Class 2A fit, ensuring smooth engagement and reduced cross-threading risk.
• Full thread engagement along the entire 3/4" length offers maximum grip and holding power in various material thicknesses.
• Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing quality and environmental safety.

Professional Applications & Engineering Value

This 8-32 UNC Rounded Truss Head Screw is engineered to address common industrial fastening challenges, such as vibration loosening and material fatigue. The 18-8 Stainless Steel provides excellent resistance to rust and corrosion, making it suitable for applications in marine, chemical processing, and food equipment industries. The rounded truss head offers a low-profile, wide-contact design that minimizes surface pressure and prevents damage to softer materials. Combined with a drilled spanner drive, it allows for secure installation in confined spaces where standard drives may fail. The coarse thread spacing and Class 2A thread fit ensure rapid assembly and reliable performance in dynamic or high-vibration environments, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw features a Class 2A thread fit for standard tolerance and easy assembly, with UNC coarse threads (8-32 size) and a length of 3/4 inch. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring dimensional accuracy and mechanical reliability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.