S-91781A192 8-32 x 3/8" 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 with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precise flush mounting enabled by the 82° countersink angle and flat head design, ensuring smooth surface integration
- Consistent threading accuracy with Class 2A fit and UNC coarse thread spacing for secure, vibration-resistant fastening
- Full thread coverage along the 3/8" length provides maximum grip and uniform stress distribution
- Broad regulatory compliance including ASME B18.6.3, RoHS 3, and REACH for trusted quality and environmental safety
- Easy installation and removal with standard slotted drive, compatible with common hand and power tools
Professional Applications & Engineering Value
These 8-32 UNC flat head slotted screws are engineered to address critical challenges in precision assembly and corrosive environments. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides long-term resistance to oxidation and chemical exposure, making them ideal for industrial machinery, electronic enclosures, and marine applications. The fully threaded design and Class 2A thread fit ensure tight, reliable connections that resist loosening under vibration. The 82° countersink angle allows the screw to sit flush with surfaces, preventing protrusions that could interfere with moving parts or aesthetic requirements. This combination of material durability and thread precision supports efficient maintenance and reduces the risk of fastener failure in demanding B2B settings.
Specification Summary & Compliance
This screw features a right-hand UNC coarse thread with Class 2A fit for standard tolerance and easy assembly. It meets ASME B18.6.3 specifications for dimensional consistency and performance. Environmental and safety compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to restricted substance guidelines. The fully threaded 3/8" length and standard flat head profile provide reliable fastening according to industry norms.
