S-91793A103 4-40 x 1/8" ASME B18.6.3 Stainless Steel Binding Head Slotted Screws
Stainless Steel Binding 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 with 18-8 Stainless Steel and passivated finish, ensuring long-term reliability in harsh environments.
- Exceptional mechanical strength offering 100,000 psi tensile strength and Rockwell B100 hardness for secure, durable fastening.
- Precise thread engagement with Class 2A fit and UNC coarse threads, enabling quick installation and reduced cross-threading risks.
- Wide binding head design provides a larger bearing surface for better load distribution and component protection.
- Fully threaded shank ensures maximum grip along the entire length, ideal for binding applications requiring consistent clamping force.
- Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
- Easy manual installation with a slotted drive, allowing straightforward assembly using standard tools.
Professional Applications & Engineering Value
These 4-40 UNC Rounded Head Binding Screws are engineered to address common industrial challenges such as vibration loosening and corrosive wear. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides excellent resistance to oxidation and chemicals, making them suitable for electronics, instrumentation, and machinery exposed to moisture or aggressive substances. The wide binding head and fully threaded design ensure uniform pressure distribution and secure fastening in binding applications, preventing damage to sensitive components. With a coarse thread and Class 2A fit, these screws facilitate rapid assembly while maintaining high tensile strength for demanding environments, reducing maintenance needs and improving operational uptime.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 2A thread fit and UNC coarse thread specifications, ensuring consistent performance and interchangeability. It meets ASME B18.6.3 for mechanical and dimensional requirements, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and electronic applications without hazardous substances.
