S-91794A131 5-40 x 3/4" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws
Stainless Steel Fillister Head Slotted 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 thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Excellent tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions.
- Rockwell B55 hardness provides enhanced durability and resistance to wear and deformation.
- Fully threaded design maximizes thread engagement and holding power across the entire screw length.
- High, narrow rounded fillister head offers a low-profile, secure fit with improved clearance in confined spaces.
- Class 2A thread fit with 5-40 UNC coarse threading ensures easy, quick assembly and reliable performance in various materials.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees consistent quality and safety for regulated applications.
Professional Applications & Engineering Value
This 5-40 UNC slotted screw with a rounded fillister head is engineered to address common industrial challenges such as vibration loosening and corrosion. Made from 18-8 stainless steel and featuring a passivated finish, it delivers exceptional resistance to rust and chemicals, making it suitable for demanding environments like machinery, electronics, and outdoor equipment. The coarse UNC threading and fully threaded design provide superior grip and ease of installation, reducing assembly time and improving reliability. Its high, narrow head profile ensures a secure fit with minimal protrusion, ideal for applications where space is limited. These screws are widely used in precision assemblies, offering dependable performance and longevity.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent accuracy and UNC coarse threading (5-40) for reliable engagement. It meets ASME B18.6.3 specifications for quality and performance, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence in industrial use.
