S-92949A594 5/16"-18 x 3" 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
- Exceptional holding power from Class 3A thread fit and fully threaded UNC coarse design for maximum engagement
- High tensile strength rated at 70,000 psi ensures reliable performance under heavy loads
- Optimized drive efficiency with 3/16" hex drive providing secure torque transmission and reduced cam-out risk
- Enhanced durability with Rockwell B55 hardness maintaining thread integrity through repeated use
- Streamlined installation with rounded button head design preventing snagging and providing a finished appearance
- Regulatory compliance meeting ASME B18.3 standards and RoHS/REACH environmental requirements
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 18-8 stainless steel rounded head screws deliver critical performance advantages in machinery assembly, structural frameworks, and equipment manufacturing. The passivated finish significantly enhances corrosion resistance in chemically aggressive environments, while the 5/16"-18 UNC coarse thread with Class 3A fit ensures rapid installation and vibration-resistant fastening. The combination of 70,000 psi tensile strength and Rockwell B55 hardness provides exceptional resistance to shear forces and thread deformation, making these hex drive screws ideal for high-stress applications where fastener failure is not an option. The fully threaded design maximizes grip length for superior load distribution across connected components.
Specification Summary & Compliance
These industrial fasteners feature precision UNC coarse threads with Class 3A fit tolerance for optimal engagement. Manufacturing complies with ASME B18.3 specifications ensuring dimensional accuracy and performance reliability. The products are RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial use.
