S-90251A172 6-32 x 3/16" ASME B18.3 Set Screws
Set Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Vibration-resistant locking with permanent Nylon patch that maintains secure fastening in high-stress environments
- Superior corrosion resistance from 316 stainless steel construction for extended service life in harsh conditions
- Precision thread engagement with Class 3A fit ensuring reliable performance and reduced assembly issues
- Wide temperature tolerance from -50° to 250°F for stable performance across diverse operating environments
- Secure hex drive installation with 1/16" drive providing positive torque control during assembly
- Optimized cup tip design for maximum gripping power and minimal surface damage to components
- Consistent mechanical properties with Rockwell B80 hardness balancing strength and durability
Professional Applications & Engineering Value
This 6-32 UNC set screw with Nylon patch locking technology addresses critical vibration-induced loosening challenges in industrial machinery, automotive assemblies, and precision equipment. The 316 stainless steel construction provides exceptional resistance to chemicals, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and outdoor applications. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading and assembly errors. With its coarse thread spacing and cup tip design, this headless fastener delivers superior clamping force while minimizing damage to shaft surfaces, providing engineers with a reliable solution for permanent positioning applications where maintenance access is limited.
Specification Summary & Compliance
This set screw features 6-32 UNC coarse threads with Class 3A precision fit and 0.138" thread diameter. Manufactured to ASME B18.3 specifications with Rockwell B80 hardness and 3/16" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The right-hand thread direction and 1/16" hex drive provide industry-standard installation compatibility.
