S-92949A194 8-32 x 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
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- High tensile strength of 70,000 PSI ensures reliable fastening under demanding mechanical loads
- Precise Class 3A thread fit provides consistent engagement and reduces the risk of cross-threading during assembly
- Hex drive design (3/32") allows for secure tool engagement and efficient installation with standard hex keys
- Fully threaded shank offers maximum grip length and uniform load distribution across the entire fastener
- Rounded button head profile delivers a low-profile, aesthetically clean finish while minimizing snagging risks
- Compliance with ASME B18.3 and environmental standards guarantees consistent quality and regulatory adherence for global supply chains
Professional Applications & Engineering Value
These 8-32 UNC coarse thread screws are engineered to address common industrial fastening challenges, including vibration resistance, corrosion in moist or chemical environments, and the need for repeated disassembly. The 18-8 stainless steel material combined with a passivated finish significantly enhances durability against oxidation and chemical exposure, making them suitable for machinery, electronic enclosures, and automotive assemblies. The coarse UNC thread and Class 3A fit ensure quick installation with reduced galling, while the hex drive provides high torque transmission without cam-out. Fully threaded for uniform stress distribution, these rounded head screws are ideal for applications where flush mounting and reliable, high-strength connections are critical.
Specification Summary & Compliance
This product meets ASME B18.3 specifications for dimensional accuracy and performance. Threads conform to UNC coarse profile with Class 3A fit for precise tolerance. The screws are fully threaded and manufactured from 18-8 stainless steel with a passivated surface treatment. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures adherence to environmental and safety regulations for hazardous substances.
