S-90289A337 10-32 x 3/16" 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 vibration resistance with serrated locking design that prevents loosening under dynamic loads
- Exceptional thread precision with Class 3A fit ensuring reliable engagement and consistent clamping force
- Enhanced corrosion protection through black-oxide coating on alloy steel substrate
- Optimized torque transmission via 3/32" hex drive in headless design for confined spaces
- Increased surface penetration with cup tip design that creates secure fastening points
- Long-term durability supported by Rockwell C45 hardness for repeated use in demanding applications
- Space-efficient installation with compact 3/16" length perfect for tight assembly configurations
Professional Applications & Engineering Value
This 10-32 UNF Class 3A set screw delivers critical engineering solutions for industrial equipment requiring permanent positioning of components on shafts, collars, and pulleys. The black-oxide alloy steel construction provides essential corrosion resistance while maintaining the Rockwell C45 hardness needed to withstand rotational forces and environmental stressors. The combination of fine thread spacing and serrated locking creates exceptional resistance to vibrational loosening in machinery, automotive, and power transmission systems. The headless hex drive design allows installation in space-constrained applications where traditional fasteners cannot fit, while the cup tip ensures maximum grip penetration on mating surfaces. Engineered to solve alignment retention challenges in precision assemblies.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit tolerance for precision engagement. Features 10-32 UNF fine threads with right-hand direction and 0.19" thread diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Alloy steel material with black-oxide surface treatment provides consistent performance across industrial applications.
