S-97832A253 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 with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength for heavy-duty applications
- Precision alignment and reduced wear thanks to the 3/4" shoulder diameter with tight tolerances (-0.004" to -0.002")
- Reliable, vibration-resistant fastening achieved through Class 3A thread fit and coarse UNC threading
- Easy installation and removal with 3/8" hex drive and knurled head for improved grip
- Long-term durability ensured by Rockwell B55 hardness and compliance with ASME B18.3 standards
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global regulatory adherence
Professional Applications & Engineering Value
This 5/8"-11 UNC shoulder screw delivers critical performance in demanding industrial settings where precision and reliability are non-negotiable. Engineered from 18-8 Stainless Steel, it resists corrosion in moist or chemically aggressive environments, extending service life in machinery, automation systems, and assembly fixtures. The 3/4" shoulder diameter with controlled tolerances provides exact positioning for rotating components like bearings and pulleys, minimizing misalignment and reducing wear. The coarse UNC thread and Class 3A thread fit ensure secure, vibration-resistant connections in high-stress applications, while the socket head with 3/8" hex drive allows for efficient torque application in confined spaces. Ideal for use in automotive, aerospace, and heavy equipment manufacturing, this shoulder screw combines material integrity with dimensional accuracy to solve alignment and fastening challenges.
Specification Summary & Compliance
This shoulder screw features a 5/8"-11 UNC thread with Class 3A thread fit for precise engagement, and a shoulder diameter of 3/4" with tolerance of -0.004" to -0.002". Manufacturing and dimensional criteria strictly adhere to ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use across global markets.
