S-94135A816 8-32 x 1/4" Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B87 hardness for reliable, vibration-resistant fastening
• Optimized installation security featuring drilled spanner drive that prevents cam-out and ensures precise torque application
• Enhanced load distribution through wide truss head design that reduces surface pressure and prevents material damage
• Reliable thread engagement with Class 2A thread fit and coarse UNC threading for quick assembly and consistent performance
• Full-threaded design providing maximum grip length and pull-out resistance across the entire fastener length
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 8-32 UNC rounded truss head screws address critical fastening challenges where corrosion resistance and vibration durability are paramount. The 18-8 stainless steel composition combined with passivated finish creates a protective barrier against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor industrial applications. The unique wide truss head design distributes clamping force over a larger surface area, preventing damage to softer materials while the drilled spanner drive ensures secure installation in high-torque applications. With coarse thread spacing and Class 2A thread fit, these fully threaded screws provide rapid assembly and reliable performance in vibration-prone equipment, reducing maintenance frequency and downtime in critical operations.

Specification Summary & Compliance

This fastener maintains precise Class 2A thread fit tolerances per UNC standards with 8-32 thread size and coarse thread spacing. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility. The fully threaded design with right-hand thread direction provides consistent mechanical properties throughout the 1/4" length, backed by verified 70,000 psi tensile strength and Rockwell B87 hardness specifications.