S-94361A143 3/8"-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 strength and durability with 140,000 PSI tensile strength and Rockwell C32 hardness for reliable performance in high-stress applications
- Superior corrosion resistance provided by the black oxide finish, extending service life in demanding industrial environments
- Precision thread engagement with Class 3A UNF fine threads ensuring secure, vibration-resistant fastening in critical assemblies
- Easy installation and removal through the 1/4" hex drive socket head and knurled texture for improved grip during manual handling
- Accurate component alignment with the precisely machined 1/2" diameter shoulder maintaining consistent positioning in machinery and fixtures
- Reduced assembly time with standard right-hand UNF threading compatible with common industrial equipment and tools
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use in global manufacturing operations
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions where precise alignment and high load capacity are paramount. The black oxide finish provides essential corrosion protection in industrial environments exposed to moisture and chemicals, while the Class 3A UNF fine threads maintain secure fastening under vibration and dynamic loads. The 1/2" precision shoulder acts as a reliable pivot point or spacer in machinery, automotive assemblies, and precision instruments, eliminating the need for additional components. With its 140,000 PSI tensile strength and Rockwell C32 hardness, this socket head shoulder screw withstands extreme mechanical stresses in production equipment, robotics, and heavy-duty fixtures, reducing maintenance frequency and downtime.
Specification Summary & Compliance
This shoulder screw features Class 3A thread fit with UNF fine threading (3/8"-24) and precise shoulder dimensions (1/2" diameter with -0.004" to -0.002" tolerance). Manufactured to inch system standards with right-hand thread direction and standard shoulder fit. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial applications.
