S-91770A197 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 passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced load distribution from the wide truss head design, reducing surface damage and improving joint integrity
- High tensile strength of 70,000 psi ensures reliable performance under heavy mechanical stress
- Easy installation and removal with Phillips No. 2 drive and coarse UNC threads for quick assembly
- Consistent thread engagement due to Class 2A fit and full threading along the 3/4" length
- Durable material hardness (Rockwell B70) provides excellent wear resistance and long service life
- Compliance with major standards including ASME B18.6.3, RoHS 3, and REACH for safe, regulated use
Professional Applications & Engineering Value
This 8-32 UNC coarse thread rounded truss head screw is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The passivated 18-8 stainless steel offers exceptional resistance to rust and chemicals, making it suitable for outdoor, marine, and chemical processing equipment. The wide truss head distributes clamping force over a larger area, preventing damage to soft materials and maintaining seal integrity in assemblies. With a fully threaded design and coarse threads, it ensures faster installation and robust holding power in wood, metal, and plastic components, reducing assembly time and improving productivity in manufacturing and maintenance operations.
Specification Summary & Compliance
This screw features precision UNC coarse threads with a Class 2A thread fit for consistent engagement and ease of assembly. It adheres to ASME B18.6.3 manufacturing specifications, ensuring dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and commercial applications.
