S-91410A645 3/8"-16 x 4 1/2" ASME B18.6.2 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
- Maximum holding power with coarse UNC threads that provide superior resistance to loosening in high-vibration environments
- Exceptional durability from Rockwell B80 hardness steel construction that withstands heavy-duty mechanical stress
- Secure installation through square head design allowing high-torque application with standard wrench tools
- Precise positioning enabled by cup tip design that creates consistent contact points on driven components
- Reliable thread engagement with Class 2A fit ensuring consistent assembly across industrial applications
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries
- Standardized compatibility with ASME B18.6.2 specifications for guaranteed interchangeability
Professional Applications & Engineering Value
This 3/8"-16 UNC set screw delivers critical engineering solutions for industrial assembly challenges. The steel construction with Rockwell B80 hardness provides the necessary strength to maintain permanent positioning of components on shafts, collars, and pulleys. The coarse thread design ensures rapid installation while resisting vibration-induced loosening in machinery, automotive, and heavy equipment applications. The square head with external drive accommodates high-torque installation without stripping, while the cup tip creates concentrated pressure points for superior gripping performance. Engineered to ASME B18.6.2 standards, this heavy-duty fastener offers reliable performance in the most demanding industrial environments.
Specification Summary & Compliance
This set screw features precision 3/8"-16 UNC coarse threads with Class 2A thread fit for consistent assembly tolerance. Manufactured to ASME B18.6.2 specifications for dimensional accuracy and performance reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The 4 1/2" length provides extended reach for deep-set applications while maintaining structural integrity.
