S-97768A256 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
- Exceptional corrosion resistance with 18-8 stainless steel and black oxide finish, ideal for harsh industrial environments.
- Precise alignment and reduced wear thanks to the Class 3A thread fit and standard shoulder fit, ensuring reliable assembly performance.
- High tensile and shear strength (70,000 psi tensile, 35,000 psi shear) for demanding applications requiring heavy-duty fastening.
- Superior durability and wear resistance from Rockwell B55 hardness, extending service life in high-stress conditions.
- Easy installation and removal with hex drive and knurled head design, improving efficiency in maintenance and assembly.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Versatile UNC coarse threading for quick engagement and strong holding power in various materials.
Professional Applications & Engineering Value
This 10-24 UNC thread shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery assemblies. Made from 18-8 stainless steel with a black oxide finish, it offers excellent resistance to corrosion and oxidation, making it suitable for automotive, aerospace, and manufacturing equipment. The 3/8" shoulder length provides a precise pivot or bearing surface, reducing friction and extending the life of moving parts. With a socket head and hex drive, it allows for tight spaces and secure fastening, while the Class 3A thread fit ensures consistent performance in high-vibration environments. Ideal for applications requiring reliable precision shoulder screws, this fastener enhances assembly integrity and reduces downtime.
Specification Summary & Compliance
This shoulder screw features a 10-24 UNC coarse thread with Class 3A thread fit for high precision, and dimensions include a shoulder diameter of 1/4" with tight tolerances (e.g., -0.004" to -0.002"). It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial use.
