S-91781A194 8-32 x 1/2" 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 environments and long-term reliability.
- High tensile strength of 80,000 psi ensures secure, durable fastening under demanding mechanical loads.
- Precise Class 2A thread fit with UNC coarse threading for easy installation and consistent engagement.
- Fully threaded design provides maximum grip and holding power along the entire 1/2" length.
- Standard 82° countersink angle allows for a flush, low-profile finish in assembled components.
- Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability in industrial applications.
- Environmentally compliant with RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
These 8-32 UNC flat head slotted screws are engineered to address critical assembly challenges in industries where corrosion resistance, strength, and precision are non-negotiable. Made from 18-8 stainless steel and featuring a passivated finish, they effectively resist oxidation and chemical exposure, extending service life in machinery, electrical enclosures, and marine equipment. The coarse UNC threads and Class 2A fit ensure quick, reliable installation with standard tools, reducing assembly time and minimizing cross-threading risks. Fully threaded along the 1/2" length, these screws offer uniform clamping force, making them ideal for securing panels, brackets, and components in industrial applications that demand both aesthetic flush mounting and structural integrity.
Specification Summary & Compliance
This fastener adheres to ASME B18.6.3 specifications, ensuring precise dimensions including a 0.312" head diameter, 1/2" length, and standard 82° flat head profile. Threading follows UNC 8-32 coarse thread standards with a Class 2A thread fit for consistent tolerance. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming it is free from hazardous substances and suitable for global supply chains.
