S-91241A657 8-32 x 1/2" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
Stainless Steel Pan Head Phillips Screws with Spring Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
- Reliable vibration resistance through the integrated 410 Stainless Steel Spring Lock Washer, preventing loosening under dynamic loads.
- High tensile strength of 70,000 psi and Rockwell B80 hardness for durable, long-lasting fastening in demanding applications.
- Effortless installation with Phillips No. 2 drive and rounded pan head design, reducing assembly time and tool slippage.
- Secure thread engagement thanks to UNC coarse threads and Class 2A fit, ensuring consistent performance and ease of use.
- Full threading along the 1/2" length provides maximum grip and adjustability in various material thicknesses.
- Compliance with ASME B18.13, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global supply chains.
Professional Applications & Engineering Value
This 8-32 x 1/2" rounded head screw with an integrated spring lock washer is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion in demanding settings. Constructed from 18-8 Stainless Steel with a passivated finish, it resists rust and chemical exposure, making it suitable for outdoor equipment, machinery, and electronic enclosures. The UNC coarse threads and Class 2A fit ensure quick, reliable fastening, while the Phillips drive and pan head design streamline installation without compromising torque transfer. By combining high tensile strength and locking features, it reduces maintenance needs and enhances the longevity of assemblies in automotive, aerospace, and heavy-duty applications.
Specification Summary & Compliance
This product features precise UNC coarse threads with a Class 2A fit for consistent dimensional accuracy. It meets ASME B18.13 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international markets.
