S-91735A010 2-56 x 1/4" 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
- Exceptional corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated finish
- High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B85 hardness for reliable, long-term performance
- Secure and precise fastening ensured by Class 2A thread fit and UNC coarse thread profile for easier alignment and reduced cross-threading
- Efficient installation and removal with Phillips No. 1 drive, providing good torque transfer and compatibility with common tools
- Versatile pan head design offers a rounded, low-profile bearing surface suitable for various assembly applications
- Full thread engagement along the 1/4" length for maximum grip and load distribution in fastened materials
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for quality assurance and environmental safety
Professional Applications & Engineering Value
This 2-56 UNC Rounded Head Screw is engineered from 316 Stainless Steel to address critical challenges in corrosive and high-stress environments. The passivated finish significantly enhances its resistance to chemicals, saltwater, and industrial atmospheres, making it ideal for marine, chemical processing, and food industry applications. The coarse UNC threads and Class 2A thread fit provide reliable engagement in a variety of materials, reducing the risk of stripping and ensuring consistent clamp load. With a Phillips drive and pan head style, it allows for efficient installation in confined spaces while maintaining a secure hold. These features collectively deliver superior durability and long-term performance in demanding B2B and industrial settings.
Specification Summary & Compliance
This screw features a 2-56 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy and interchangeability. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substances.
