S-8077A558 5/8"-11 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
- Superior corrosion resistance from 316 Stainless Steel and Black Oxide finish, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear capacity for heavy-duty applications
- Precision Class 3A thread fit ensures secure fastening and vibration resistance in critical assemblies
- Knurled head design provides enhanced grip for manual adjustments and prevents slipping during installation
- Standard hex socket drive allows for easy installation with common 3/8" tools in confined spaces
- Rigorous quality compliance with ASME B18.3 specifications and RoHS/REACH environmental standards
- Durable Rockwell B79 hardness maintains structural integrity under repeated stress and wear
Professional Applications & Engineering Value
This 5/8"-11 UNC shoulder screw delivers critical performance in precision machinery, automotive systems, and industrial equipment where alignment and rotational movement are paramount. The 316 Stainless Steel construction combined with Black Oxide finish provides exceptional resistance to chemicals, moisture, and high temperatures, addressing common failure points in corrosive environments. The Class 3A thread fit and precise shoulder diameter maintain tight tolerances for bearing surfaces and pivot points, reducing wear and minimizing maintenance downtime. Engineered to ASME B18.3 standards, these socket head shoulder screws ensure reliable performance in high-stress applications while meeting stringent industry compliance requirements.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and UNC coarse threading for superior engagement. Shoulder diameter tolerance maintained at -0.004" to -0.002" with length tolerance of -0.005" to 0.005" for precision alignment. Fully compliant with ASME B18.3 specifications, RoHS 3 (2015/863/EU), and REACH (EC 1907/2006) environmental regulations. Thread specifications conform to 5/8"-11 UNC standards with 7/8" thread length and 3/4" shoulder diameter for consistent performance across industrial applications.
