S-91770A193 8-32 x 7/16" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss Head Phillips 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 from passivated 18-8 stainless steel construction, ideal for harsh or humid environments.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, heavy-duty fastening.
- Wide truss head design provides a larger bearing surface for enhanced load distribution and reduced risk of material damage.
- Precise Class 2A thread fit ensures smooth installation and consistent performance in UNC coarse thread applications.
- Full threading along the 7/16" length offers maximum grip and engagement depth for secure assemblies.
- Broad regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards guarantees safety and environmental responsibility.
- Easy installation with a standard Phillips No. 2 drive, reducing assembly time and tool wear.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these 8-32 UNC Rounded Truss Head Screws solve common assembly challenges. The passivated 18-8 stainless steel provides excellent resistance to oxidation and chemical exposure, making them ideal for outdoor equipment, marine applications, and food processing machinery where moisture and contaminants are concerns. The wide truss head distributes clamping force effectively, preventing surface damage on softer materials like plastics or composites. With a coarse thread and Class 2A fit, they offer quick, reliable fastening in sheet metal, enclosures, and structural frames, reducing the risk of cross-threading and ensuring long-term joint integrity under vibration and load.
Specification Summary & Compliance
This screw features a Class 2A thread fit with UNC coarse threading (8-32 size) and is manufactured to ASME B18.6.3 specifications for dimensional accuracy and performance. It 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 consumer applications.
