S-92949A273 10-32 x 1 1/2" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 thanks to 18-8 Stainless Steel construction and a passivated finish, ideal for harsh environments.
- Superior thread engagement and reliability with a Class 3A UNF fine thread fit, minimizing the risk of loosening under vibration.
- High tensile strength of 70,000 psi ensures a durable and secure fastening for demanding applications.
- Easy and secure installation with a hex drive style, providing positive torque transmission and reducing tool slippage.
- Consistent performance and interchangeability guaranteed by compliance with the rigorous ASME B18.3 standard.
- Low-profile, rounded button head design offers a finished appearance and helps prevent snagging.
- Full threading along the 1 1/2" length allows for maximum grip and adjustment flexibility in assemblies.
Professional Applications & Engineering Value
Engineered for precision, these 10-32 UNF Class 3A Rounded Head Screws are a cornerstone for reliable fastening in critical assemblies. The combination of 18-8 Stainless Steel and a passivated finish directly tackles the challenge of corrosion in industrial settings, from machinery to marine components. The fine UNF thread and Class 3A fit provide a tighter, more precise engagement than coarse threads, which is essential for maintaining clamp load in applications subject to vibration, such as in electronics enclosures, automotive subsystems, and precision instruments. The hex drive and rounded button head ensure easy installation in confined spaces while presenting a clean, professional finish. This screw is designed to deliver long-term fastening integrity where failure is not an option.
Specification Summary & Compliance
This product features a 10-32 UNF thread with a Class 3A tolerance for high-precision fit. It is manufactured from 18-8 Stainless Steel with a Rockwell B55 hardness and meets the dimensional requirements of ASME B18.3. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances for use in various global markets.
