S-90298A854 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 for extended service life in harsh environments
- Precise component alignment through Class 3A thread fit and tight shoulder diameter tolerance (±0.001") ensuring reliable assembly
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Secure installation and removal via hex socket drive and knurled head design preventing tool slippage during torque application
- Optimized for industrial machinery featuring UNC coarse threads and generous 4 3/4" shoulder length for stable rotational movement
- Regulatory compliance assurance meeting ASME B18.3 specifications while being RoHS 3 and REACH compliant
- Reduced maintenance requirements through durable right-hand thread design and corrosion-resistant materials
Professional Applications & Engineering Value
Engineered for precision industrial applications, this 5/8"-11 UNC shoulder screw solves critical alignment challenges in rotating assemblies and machinery components. The 18-8 stainless steel construction with passivated finish provides exceptional corrosion resistance, making it ideal for manufacturing equipment, automotive systems, and food processing machinery where environmental exposure is a concern. The Class 3A thread fit ensures precise engagement with mating components, while the generous 4 3/4" shoulder length and 3/4" shoulder diameter maintain accurate positioning of moving parts. The combination of 70,000 psi tensile strength and Rockwell B55 hardness delivers reliable performance under continuous operational stress, reducing downtime and maintenance costs in demanding industrial environments.
Specification Summary & Compliance
This shoulder screw maintains Class 3A thread fit per UNC standards with precise shoulder diameter tolerance of -0.001" to 0.001" and shoulder length tolerance of -0.005" to 0.005". Manufactured in compliance with ASME B18.3 specifications and certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental regulation adherence for global industrial applications.
