S-91770A233 0-80 x 1/4" 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
- Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Superior holding power and vibration resistance from the wide truss head design, distributing load evenly and preventing loosening.
- High tensile strength of 70,000 psi ensures dependable performance under stress, reducing the risk of fastener failure.
- Precise Class 2A thread fit with 0-80 UNF fine threads for secure, smooth engagement and minimized cross-threading in delicate assemblies.
- Rockwell B70 hardness provides excellent durability and wear resistance, extending the screw's service life.
- Full threading along the 1/4" length offers maximum grip and adjustability in tight spaces.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global industrial use.
Professional Applications & Engineering Value
Engineered for precision, this 0-80 UNF fine thread screw with a rounded truss head addresses critical needs in electronics, aerospace, and medical device assemblies where space is limited and reliability is paramount. The passivated 18-8 stainless steel material combats corrosion from moisture and chemicals, ensuring longevity in demanding conditions. Its fine thread design enhances grip in thin materials, while the wide truss head resists pull-through and provides a larger bearing surface. Coupled with a Phillips No. 0 drive, it allows for efficient installation with common tools, reducing assembly time and improving productivity in industrial fastener applications.
Specification Summary & Compliance
This screw features a Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.6.3 specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industries.
