S-94135A130 8-32 x 1 1/2" 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
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B87 hardness for reliable load-bearing performance
• Optimized installation and removal through the drilled spanner drive design, preventing tool slippage and head damage
• Enhanced surface contact and vibration resistance from the wide rounded truss head profile, distributing pressure evenly
• Precise and secure fastening ensured by Class 2A thread fit and UNC coarse threading for quick assembly
• Full-length threading provides maximum grip and holding power across the entire screw length
• Compliance with international standards including ASME B18.6.3, RoHS 3, and REACH for quality assurance and environmental safety

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 8-32 UNC coarse thread screws with a rounded truss head address critical fastening challenges. The 18-8 Stainless Steel material offers excellent resistance to rust and oxidation, making them suitable for outdoor equipment, marine hardware, and chemical processing plants where moisture and corrosive agents are present. The drilled spanner drive ensures secure tool engagement, reducing the risk of stripping during high-torque applications. With a wide head profile, these screws distribute clamping force effectively, minimizing surface damage and maintaining integrity under vibration. Fully threaded and built to ASME B18.6.3 specifications, they provide reliable performance in assembly lines, machinery, and structural frameworks requiring durable, corrosion-resistant fasteners.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNC coarse threading (8-32 size) for consistent engagement and ease of assembly. It is manufactured in compliance with ASME B18.6.3 standards, ensuring dimensional accuracy and mechanical properties. Environmental and safety regulations are met, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of hazardous substances. The product is fully threaded, with a length of 1-1/2 inches, and designed for reliable performance in industrial applications.