S-91327A126 10-24 ASME B18.3 Shoulder Screws
Shoulder 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
- Vibration-resistant locking with permanent nylon patch thread locker that maintains integrity from -50° to 250°F, preventing loosening in dynamic applications
- Precision alignment capability through 1-1/2" shoulder length with tight tolerances (±0.005") for accurate component positioning
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
- High mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
- Secure installation featuring Class 3A thread fit and knurled socket head for positive grip during torque application
- Industry compliance assurance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
- Quick assembly efficiency with coarse UNC threads and standard hex drive for rapid installation and maintenance
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw delivers exceptional engineering value in precision mechanical assemblies where component alignment and vibration resistance are critical. The 18-8 stainless steel construction with passivated finish provides reliable corrosion protection for industrial equipment, while the integrated nylon patch thread locker eliminates the need for separate locking compounds in rotating machinery and vibrating systems. The precisely machined shoulder with tight diameter and length tolerances ensures accurate bearing surfaces for gears, pulleys, and linkages, reducing wear and maintaining alignment in industrial automation applications. The combination of Class 3A thread fit and coarse UNC threads facilitates quick assembly while maintaining the high strength requirements of demanding mechanical systems.
Specification Summary & Compliance
This shoulder screw features precision Class 3A thread fit with 10-24 UNC coarse threads and maintains tight shoulder diameter tolerance (-0.004" to -0.002") and shoulder length tolerance (-0.005" to 0.005"). Manufactured in compliance with ASME B18.3 specifications and meets environmental standards including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) requirements for restricted substances.
