S-94779A590 8-32 x 3/4" 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 with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
- Enhanced load distribution due to the wide rounded truss head design, reducing surface damage and improving joint integrity.
- Efficient installation with No. 2 Phillips drive and fully threaded UNC coarse thread, ensuring quick, secure fastening and reduced assembly time.
- Precise thread fit with Class 2A tolerance, providing consistent engagement and minimizing the risk of cross-threading or loosening.
- Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.
- Versatile right-hand threading for standard applications, compatible with common UNC coarse thread nuts and components.
Professional Applications & Engineering Value
This 8-32 UNC coarse thread screw with a Black-Oxide 18-8 Stainless Steel construction addresses critical industrial challenges, such as corrosion in humid or chemical-exposed settings. The rounded truss head offers a low-profile, wide-bearing surface that distributes clamping force evenly, preventing material distortion in sheet metal, electronics, and machinery assemblies. Combined with a Phillips drive and fully threaded design, it ensures rapid, vibration-resistant fastening in automotive, aerospace, and construction applications. The 70,000 psi tensile strength and Rockwell B70 hardness provide durability against dynamic loads, making it a cost-effective solution for heavy-duty fastening where reliability and compliance with ASME B18.6.3 standards are paramount.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading with a diameter of 0.164" and 3/4" length, manufactured to ASME B18.6.3 specifications for dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
