S-92845A719 5-40 x 1/4" ASME B18.3 Set Screws
Set 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 construction, ideal for harsh industrial environments.
- Exceptional thread precision with Class 3A fit ensures tight, reliable fastening without cross-threading.
- High mechanical strength backed by Rockwell B80 hardness for long-term durability under load.
- Secure tamper-resistant installation using the headless hex drive design with 1/16" drive size.
- Optimized for high-vibration applications with coarse UNC threads and extended tip for enhanced grip.
- Full compliance with industry standards including ASME B18.3 for consistent performance and safety.
- Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations for global use.
Professional Applications & Engineering Value
This 5-40 UNC set screw is engineered to address critical fastening challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it suitable for industrial machinery, electronics, and automotive components. Its headless hex drive and extended tip design allow for flush mounting and improved torque transmission, preventing loosening in high-vibration settings. The coarse thread and Class 3A thread fit ensure quick installation and reliable clamping force, reducing assembly time and maintenance needs. Ideal for applications demanding secure shaft collars, gear positioning, and adjustable mechanisms, this set screw delivers consistent performance where precision and reliability are non-negotiable.
Specification Summary & Compliance
This set screw adheres to ASME B18.3 specifications with a Class 3A thread fit for precise dimensional accuracy. It features a 5-40 UNC coarse thread, right-hand direction, and an extended tip with controlled diameter and length tolerances. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international environmental and safety standards for industrial use.