S-98164A452 8-32 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
- Superior corrosion resistance in harsh environments due to 316 stainless steel construction with passivated finish
- Exceptional thread reliability with Class 3A thread fit ensuring precise engagement and vibration resistance
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Optimized installation efficiency through 3/32" hex drive design providing secure tool engagement
- Full-length threading versatility allowing complete fastener engagement across the entire 1½" length
- Industry-standard compliance meeting ASME B18.3 specifications for consistent quality and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance
Professional Applications & Engineering Value
These 316 stainless steel rounded head screws deliver critical performance in corrosive and high-stress environments where standard fasteners fail. The 8-32 UNC coarse threading with Class 3A precision ensures rapid assembly while maintaining vibration resistance in machinery, marine equipment, and chemical processing applications. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, providing extended service life in saltwater, chemical exposure, and outdoor conditions. The button head profile with hex drive offers a low-profile installation solution where clearance is limited, while the fully threaded design allows for adjustable clamping force across the entire fastener length. These industrial screws are engineered to withstand continuous thermal cycling and mechanical stress while maintaining structural integrity.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 standards with Class 3A thread fit precision and UNC coarse thread specifications. The 8-32 thread size features 0.164" diameter with standardized coarse spacing for optimal engagement. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures global market acceptance. Mechanical properties include 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance in demanding industrial applications.
