S-91735A017 2-56 x 3/8" 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
- High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance under load
- Precise thread engagement with Class 2A fit and coarse UNC threading for faster assembly and secure fastening
- Optimized drive efficiency featuring a Phillips No. 1 drive and rounded pan head for controlled torque application and reduced cam-out
- Full-threaded design ensures maximum grip along the entire 3/8" length for superior holding power
- Industry-standard compliance with ASME B18.6.3 specifications for guaranteed dimensional accuracy and interchangeability
- Environmental regulation adherence meeting RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 2-56 UNC machine screw in 316 Stainless Steel addresses critical challenges in industrial applications where corrosion resistance and mechanical reliability are paramount. The passivated finish enhances surface durability, preventing galvanic and chemical degradation in marine, chemical processing, and outdoor equipment. Its coarse thread spacing and Class 2A thread fit facilitate quick installation in metals and plastics, reducing assembly time while maintaining vibration resistance. The combination of fully threaded design and rounded pan head with Phillips drive ensures uniform stress distribution and easy access in confined spaces, making it a trusted solution for machinery, electronic enclosures, and structural assemblies requiring ASME B18.6.3 compliance.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances per UNC standards, with precise dimensions including 2-56 thread size, 3/8" length, and coarse thread spacing. Manufacturing follows ASME B18.6.3 specifications for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring no restricted substances are used.
