S-91327A116 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 for secure assemblies in high-stress environments
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial conditions
- Precision shoulder alignment with tight diameter and length tolerances ensuring accurate component positioning
- High tensile strength of 70,000 psi and Rockwell B55 hardness for reliable load-bearing performance
- Secure hex socket drive with knurled head for non-slip installation and torque application
- Class 3A thread fit providing superior thread engagement and consistent fastening quality
- Broad temperature compatibility with nylon patch effective from -50° to 250°F
Professional Applications & Engineering Value
Engineered for precision alignment and vibration resistance, this 10-24 UNC shoulder screw solves critical assembly challenges in industrial machinery, automation systems, and precision equipment. The 1/4" shoulder diameter with tight tolerances provides exact bearing surfaces for rotating components, while the 3/4" shoulder length maintains proper spacing between assembled parts. The permanent nylon patch locking technology prevents loosening under dynamic loads, making it ideal for applications subject to continuous vibration. Manufactured from 18-8 stainless steel with passivated finish, it delivers exceptional corrosion resistance in demanding environments. The combination of 70,000 psi tensile strength and precise Class 3A thread fit ensures reliable performance in critical fastening applications where failure is not an option.
Specification Summary & Compliance
This shoulder screw features precision Class 3A thread fit with UNC coarse threading and right-hand direction. The shoulder maintains tight tolerances with diameter of -0.004" to -0.002" and length of -0.005" to 0.005". Manufactured to ASME B18.3 specifications and compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for industrial applications worldwide.
