S-90969A150 10-24 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 load-bearing capacity with 140,000 psi tensile strength for reliable performance in demanding applications.
- Superior corrosion resistance provided by the black oxide finish, extending service life in harsh industrial environments.
- Precise component alignment enabled by the 1/4" shoulder diameter with tight tolerance for stable assemblies.
- High-strength thread engagement with Class 3A fit and 10-24 UNC coarse thread for secure fastening and vibration resistance.
- Enhanced grip and low-profile design from the knurled head and ultra-low socket profile, allowing easy installation in confined spaces.
- Durable alloy steel construction with Rockwell C30 hardness, ensuring long-term wear resistance and structural integrity.
- Compliance with environmental standards including RoHS 3 and REACH, making it suitable for regulated industries.
Professional Applications & Engineering Value
This alloy steel shoulder screw is engineered to address critical challenges in machinery assembly, automation systems, and precision equipment. The 10-24 UNC coarse thread combined with a Class 3A thread fit ensures minimal backlash and reliable fastening under dynamic loads, reducing maintenance needs. The black oxide finish provides a protective layer against rust and corrosion, ideal for environments exposed to moisture or chemicals. With a 3/4" shoulder length and precise diameter tolerance, it facilitates accurate pivot points and bearing surfaces in linkages, rollers, and rotating mechanisms. The ultra-low socket head and hex drive design allow for efficient installation with standard tools, saving time in high-volume production lines while maintaining a compact form factor.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a thread diameter of 0.19", shoulder diameter of 1/4" (tolerance: -0.004" to -0.002"), and shoulder length of 3/4" (tolerance: -0.005" to 0.005"). It is manufactured from alloy steel with a hardness of Rockwell C30 and tensile strength of 140,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use.
