S-94135A622 3/8"-16 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
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B87 hardness for heavy-duty applications
• Enhanced load distribution through the wide truss head design, reducing surface pressure and material damage
• Reliable thread engagement with fully threaded UNC coarse spacing and Class 2A fit for secure fastening
• Easy installation and removal using the drilled spanner drive (No. 14 size) for precise torque control
• Compliance with industrial standards including ASME B18.6.3, ensuring consistent quality and interchangeability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global regulatory acceptance

Professional Applications & Engineering Value

This 3/8"-16 UNC Rounded Head Truss Screw delivers critical engineering advantages in demanding applications. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for outdoor equipment, marine hardware, and chemical processing facilities where moisture and corrosive agents are present. The wide truss head profile offers a larger bearing surface, distributing clamp load effectively to prevent sheet metal distortion or plastic component cracking. Combined with fully threaded coarse spacing and Class 2A thread fit, these screws ensure rapid installation and vibration resistance in assembly lines, machinery frames, and structural frameworks. The drilled spanner drive allows for high-torque application where socket or Phillips drives might strip, providing reliable fastening in confined spaces and maintenance-intensive environments.

Specification Summary & Compliance

This screw features 3/8"-16 UNC coarse threads with Class 2A tolerance for consistent fit and interchangeability. Manufacturing follows ASME B18.6.3 specifications for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no restricted substances are used. Additional specifications include a 0.823" head diameter, 3/4" length, and No. 14 drilled spanner drive size.