S-91770A406 8-32 x 3" 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
- Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and extended service life.
- Superior load distribution thanks to the wide rounded truss head design, reducing surface pressure and preventing material damage.
- High tensile strength of 70,000 psi combined with Rockwell B70 hardness ensures reliable performance under heavy mechanical stress.
- Easy installation and removal with Phillips No. 2 drive and coarse UNC threads, providing quick assembly in various materials.
- Precise thread fit (Class 2A) guarantees secure fastening and vibration resistance in industrial applications.
- Full 3" threading offers maximum grip length for deep or variable material thicknesses.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met for global supply chains.
Professional Applications & Engineering Value
These 8-32 x 3" passivated stainless steel rounded truss head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The 18-8 stainless steel material, enhanced by a passivated coating, provides robust protection against rust and chemical exposure, making them ideal for outdoor, marine, or chemical processing equipment. The wide truss head distributes clamping force effectively, reducing the risk of surface damage in softer materials like plastics or composites. With UNC coarse threads and a Phillips No. 2 drive, these screws ensure quick, secure fastening in assembly lines, electronics enclosures, and machinery frames, minimizing downtime and maintenance costs while adhering to strict industry specifications.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threads for consistent performance. It meets ASME B18.6.3 manufacturing standards, ensuring dimensional accuracy and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in global markets.
