S-91783A133 5-40 x 1" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless Steel Round 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
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-term fastening
- Precise and reliable threading with Class 2A fit and coarse UNC threads ensuring easy installation and vibration resistance
- Broad compatibility with fully threaded 5-40 UNC design, suitable for a wide range of assembly applications
- Enhanced durability from the rounded head and slotted drive, reducing stress concentration and tool slippage
- Regulatory compliance meeting ASME B18.6.3 standards, RoHS 3, and REACH for safe, quality-assured use
- Optimized for industrial use with 1" length and right-hand threading, providing secure fastening in machinery and equipment
Professional Applications & Engineering Value
This 5-40 UNC Rounded Head Slotted Screw is engineered to address common industrial challenges, such as corrosion and mechanical stress. The 18-8 Stainless Steel material, combined with a passivated finish, offers excellent resistance to rust and chemicals, making it ideal for applications in manufacturing, automotive, and electronics where environmental factors are a concern. Its coarse threading and Class 2A fit ensure quick, secure installation with reduced risk of cross-threading, while the rounded head design minimizes surface damage. Fully threaded and with high tensile strength, this screw provides reliable performance in machine assemblies and industrial equipment, enhancing operational efficiency and longevity.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading with a diameter of 0.125" and length of 1". It complies with ASME B18.6.3 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and quality in industrial applications.
