S-90298A841 5/8"-11 ASME B18.3 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Precise component alignment through 3/4" shoulder diameter with tight ±0.001" tolerance for stable bearing surfaces
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Secure installation and removal with knurled head texture and 3/8" hex drive for superior grip and torque transmission
- Reliable thread engagement featuring Class 3A thread fit and 5/8"-11 UNC coarse threads for vibration resistance
- Extended service life with 1-3/4" shoulder length maintaining consistent spacing in rotating assemblies
- Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards (RoHS 3, REACH)
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw delivers exceptional engineering value in precision mechanical systems where alignment accuracy and corrosion resistance are critical. The passivated finish provides enhanced protection against chemical exposure and oxidation, while the Class 3A thread fit ensures precise engagement in high-vibration environments. The knurled socket head with 3/8" hex drive facilitates secure installation in confined spaces, preventing tool slippage during torque application. Ideal for industrial machinery, rotating assemblies, and precision equipment, this component solves common challenges of misalignment, corrosion-induced failure, and maintenance accessibility. The generous 1-3/4" shoulder length accommodates multiple bearing surfaces while maintaining dimensional stability under load.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and UNC coarse threading (5/8"-11) for superior engagement. Shoulder dimensions maintain tight tolerances: diameter ±0.001" and length ±0.005". Fully compliant with ASME B18.3 specifications for dimensional accuracy and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring safe use across various industrial sectors.
