S-90337A461 1/4"-20 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 construction and passivated finish, ideal for harsh industrial environments
- Precise component alignment through accurately machined shoulder with tight diameter and length tolerances
- Space-saving low-profile design with socket head for applications with limited clearance requirements
- Reliable high-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Secure fastening engagement with Class 2A thread fit and coarse UNC threading for vibration resistance
- Easy installation and maintenance using standard 5/32" hex tools for efficient assembly operations
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing requirements
Professional Applications & Engineering Value
This precision shoulder screw delivers exceptional engineering value in applications requiring accurate component positioning and reliable fastening. The 18-8 stainless steel construction with passivated finish provides superior corrosion resistance, making it ideal for machinery, automation systems, and industrial equipment exposed to moisture or chemicals. The precisely machined shoulder diameter and length ensure exact alignment of moving parts, reducing wear and maintaining operational accuracy. The low-profile socket head design allows for compact assembly in space-constrained applications while the Class 2A thread fit with UNC coarse threading ensures secure fastening even under vibration and dynamic loading conditions. These shoulder screws are engineered to solve alignment and durability challenges in precision mechanical assemblies.
Specification Summary & Compliance
This shoulder screw features Class 2A thread fit with UNC coarse threading (1/4"-20) and precise shoulder dimensions (5/16" diameter, 3/4" length) manufactured to tight tolerances. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility. Manufactured from 18-8 stainless steel with passivated finish, it delivers consistent performance with 70,000 psi tensile strength and Rockwell B55 hardness specifications.
