S-94135A121 8-32 x 1/2" ASME B18.6.3 Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws
Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Enhanced load distribution from the wide truss head design, reducing surface damage and material stress
- High mechanical strength with 70,000 psi tensile strength and Rockwell B87 hardness for demanding applications
- Quick assembly efficiency through coarse UNC threading and Class 2A fit, ensuring reliable fastening
- Secure tamper-resistant installation using the drilled spanner drive, preventing unauthorized removal
- Full-thread engagement along the 1/2" length for maximum grip and vibration resistance
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe usage
Professional Applications & Engineering Value
These 8-32 UNC Rounded Truss Head Screws are engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel material provides excellent resistance to rust and chemical exposure, making them suitable for outdoor equipment, marine hardware, and food processing machinery. The wide truss head offers a larger bearing surface, distributing clamp load effectively to prevent sheet metal distortion or plastic component cracking. Combined with coarse threading and full threading, these screws ensure rapid installation and robust holding power in assemblies subject to dynamic stresses, reducing maintenance frequency and downtime in industrial screw applications.
Specification Summary & Compliance
This fastener features precise UNC coarse threads with Class 2A fit for consistent engagement and interchangeability. Manufactured in accordance with ASME B18.6.3 specifications, it guarantees dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and commercial uses.
