S-91781A209 8-32 x 3" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted Flat Head 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 from 18-8 stainless steel and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring secure fastening and vibration resistance
- Optimized flush mounting featuring standard 82° countersink angle for seamless surface integration
- Enhanced installation control through slotted drive design compatible with standard tools
- Reduced material stress with partial threading design minimizing risk of thread stripping
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 8-32 UNC flat head slotted screws provide critical solutions where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel construction with passivated finish delivers exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor structural applications. The partially threaded design concentrates thread engagement where needed most, reducing stress concentration while maintaining full clamping force. With coarse UNC threads and Class 2A thread fit, these fasteners ensure rapid installation and reliable performance in vibration-prone environments, from heavy machinery assembly to electrical enclosure manufacturing where consistent flush mounting is required.
Specification Summary & Compliance
This 3" length flat head screw features precision 8-32 UNC coarse threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing complies with ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, confirming environmental responsibility and material safety standards for global industrial applications.
