S-92183A422 1/2"-13 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, ideal for harsh industrial environments
- Superior thread reliability with Class 3A fit UNC coarse threads ensuring secure fastening in high-vibration applications
- High mechanical strength delivering 70,000 psi tensile strength and 35,000 psi shear resistance for demanding loads
- Precision shoulder alignment with controlled diameter tolerance (-0.004" to -0.002") for accurate component positioning
- Enhanced grip and torque application through knurled head texture and 5/16" hex drive design
- Extended service life with Rockwell B55 hardness providing excellent wear resistance
- Global regulatory compliance meeting RoHS 3 and REACH standards for international manufacturing requirements
Professional Applications & Engineering Value
Engineered for precision rotational and linear motion systems, these 18-8 stainless steel shoulder screws provide critical alignment functions in industrial machinery, automation equipment, and precision instruments. The Class 3A UNC coarse threads maintain clamping force under vibration, while the precisely controlled shoulder diameter tolerance ensures accurate bearing and bushing alignment. The knurled head texture combined with the 5/16" hex drive enables secure tool engagement during installation in confined spaces. With 70,000 psi tensile strength and corrosion-resistant properties, these shoulder screws deliver long-term reliability in manufacturing, robotics, and assembly applications where dimensional stability and chemical resistance are paramount.
Specification Summary & Compliance
This precision shoulder screw features 1/2"-13 UNC Class 3A threads with coarse thread spacing and right-hand thread direction. Manufacturing tolerances include shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.002" to 0.002". The component is manufactured from 18-8 stainless steel with Rockwell B55 hardness and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental and safety regulations.
