S-91773A546 1/4"-20 x 1 1/2" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round 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 18-8 Stainless Steel and passivated finish, ideal for harsh environments and long-term reliability.
- High tensile strength of 100,000 psi ensures secure fastening under heavy loads, reducing the risk of failure in demanding applications.
- Rockwell B100 hardness provides excellent wear resistance and durability, maintaining performance over repeated use.
- Class 2A thread fit with UNC coarse threading offers easy installation and reliable engagement, minimizing cross-threading issues.
- Full threading along the 1-1/2" length allows for maximum adjustability and holding power in various material thicknesses.
- Phillips No. 3 drive with rounded head enables efficient installation and a smooth, low-profile finish for enhanced safety and aesthetics.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, quality-assured use.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 1/4-20 UNC rounded head Phillips screw addresses common challenges like corrosion and mechanical stress. The 18-8 Stainless Steel material, combined with a passivated finish, provides superior protection against rust and chemical exposure, making it ideal for outdoor equipment, marine hardware, and food processing machinery. Its coarse thread design and Class 2A fit ensure quick, secure fastening in wood, metal, and plastic assemblies, reducing installation time and improving joint integrity. With full threading and a rounded head profile, it offers versatility and a clean appearance, supporting efficient maintenance and long-term reliability in construction, automotive, and manufacturing sectors.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threads for consistent performance. It meets ASME B18.6.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality.
