S-91264A240 10-24 ASME B18.3, ASTM A574 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
- Exceptional tensile strength of 140,000 psi for reliable performance in high-stress industrial applications
- Superior corrosion resistance with black oxide finish extending service life in demanding environments
- Vibration-resistant locking through integrated nylon pellet that maintains secure fastening from -50° to 250° F
- Precision Class 3A thread fit ensures consistent engagement and reduced assembly issues
- Enhanced grip and torque application with knurled socket head design for secure tool engagement
- Robust alloy steel construction with Rockwell C32 hardness for long-term durability and wear resistance
- Coarse UNC threading provides faster installation and reduced cross-threading risks
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw delivers critical engineering solutions for precision assembly challenges. The alloy steel core with black oxide finish combats corrosion in industrial settings while maintaining dimensional stability under load. The integrated nylon pellet thread locker prevents loosening from vibration in machinery, automotive, and manufacturing equipment. The 3/8" shoulder length provides precise component spacing and alignment, while the socket head with hex drive enables high-torque installation in confined spaces. These features make it ideal for applications requiring secure positioning of rotating parts, pivot points, and precision mechanisms where Class 3A thread fit ensures consistent performance in high-volume production environments.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit precision, this shoulder screw maintains tight dimensional tolerances including shoulder diameter tolerance of -0.004" to -0.002". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting industrial safety standards while delivering reliable mechanical performance through UNC coarse threading and 140,000 psi tensile strength rating.
