S-91273A649 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
- Superior corrosion resistance with 18-8 stainless steel construction and black oxide finish for extended service life in harsh environments
- Precise component alignment through consistent 3/8" shoulder diameter with tight tolerance control
- High-strength performance delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Secure torque transmission via knurled socket head with hex drive for reliable installation and removal
- Fine thread engagement with UNF 3/8"-24 Class 2A thread fit ensuring vibration resistance and precise fastening
- Enhanced grip and handling from knurled head texture, even when wearing gloves
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This black oxide 18-8 stainless steel shoulder screw addresses critical alignment and strength requirements in precision assemblies. The 3/8" shoulder diameter provides exact component positioning in machinery, while the UNF fine thread maintains secure fastening under vibration. The socket head with hex drive enables high-torque installation in confined spaces, and the knurled texture ensures positive grip during assembly. With 70,000 psi tensile strength and corrosion-resistant properties, this shoulder screw delivers reliable performance in automotive fixtures, industrial equipment, and precision manufacturing applications where dimensional stability and durability are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit for consistent engagement. Shoulder diameter tolerance maintained at -0.004" to -0.002" with shoulder length tolerance of -0.005" to 0.005" for precision alignment. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B55 hardness and verified 35,000 psi minimum shear strength for quality assurance in industrial applications.
