S-91735A615 1/4"-28 x 5/8" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan 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 316 Stainless Steel construction and passivated finish, ideal for harsh environments and extended service life
- Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance under high-stress conditions
- Precise, secure fastening with Class 2A thread fit and UNF fine threads, ensuring consistent engagement and vibration resistance
- Efficient installation and removal via the No. 3 Phillips drive and rounded pan head design, reducing assembly time and tool slippage
- Full threading for maximum grip along the entire 5/8" length, providing uniform clamping force and versatility in material thickness
- Compliance with industry standards including ASME B18.6.3, ensuring dimensional accuracy and interchangeability
- Environmental responsibility with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 1/4-28 UNF screws in 316 Stainless Steel address critical challenges like corrosion in chemical processing, marine, and food equipment applications. The passivated finish enhances surface durability, while the fine thread and Class 2A fit provide superior resistance to loosening under dynamic loads. The combination of 80,000 psi tensile strength and a rounded pan head with Phillips drive ensures reliable performance in assemblies requiring frequent maintenance, reducing downtime and replacement costs. Ideal for heavy-duty fastening in machinery, enclosures, and structural components where compliance with ASME B18.6.3 guarantees consistency and safety.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF thread with Class 2A tolerance for precise fit, fully threaded along a 5/8" length. It meets ASME B18.6.3 specifications for dimensional standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
