S-91770A143 6-32 x 3/16" 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 with passivated 18-8 stainless steel construction, ideal for harsh environments and extended service life.
- Enhanced load distribution from the wide truss head design, reducing surface pressure and preventing material damage.
- High tensile strength of 70,000 psi ensures reliable fastening under mechanical stress without failure.
- Precise Class 2A thread fit guarantees smooth installation and secure engagement with mating components.
- Optimized drive efficiency with No. 2 Phillips drive, enabling quick assembly and reduced tool slippage.
- Full threading along the 3/16" length provides maximum grip and adjustability in various applications.
- Compliance with ASME B18.6.3 and environmental regulations assures quality, safety, and regulatory adherence for industrial use.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 6-32 UNC screws with a rounded truss head and passivated 18-8 stainless steel material address common challenges like corrosion, vibration loosening, and assembly efficiency. The wide truss head profile distributes clamping force over a larger area, minimizing the risk of surface damage in soft materials or painted surfaces, while the coarse thread and Class 2A fit ensure rapid installation and reliable hold in metals, plastics, and electronics. With a Rockwell B70 hardness and 70,000 psi tensile strength, they withstand mechanical stresses in automotive, machinery, and outdoor equipment, reducing maintenance needs and downtime. The Phillips drive facilitates easy handling, making them ideal for high-volume production lines where speed and durability are critical.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances per UNC standards, ensuring dimensional accuracy and compatibility. Manufactured in compliance with ASME B18.6.3 specifications, it meets rigorous industrial benchmarks. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming the absence of hazardous substances for safe use in global markets.
