S-97832A166 10-32 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 for long-lasting performance in harsh industrial environments.
- Precise alignment and secure positioning thanks to the 1/4" shoulder length with tight tolerances for reliable assembly.
- High-strength fastening delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
- Consistent, reliable thread engagement with Class 3A thread fit and 10-32 UNF fine threads for vibration resistance.
- Easy installation and removal using a standard hex drive and knurled head for improved grip and torque application.
- Enhanced durability from Rockwell B55 hardness, ensuring wear resistance and extended service life.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH for safe, regulated use.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel material offers excellent corrosion resistance, reducing maintenance in humid or chemically exposed settings. The 10-32 UNF fine thread and Class 3A thread fit ensure secure, vibration-resistant connections, minimizing loosening in dynamic operations. The 1/4" shoulder length provides a precise pivot or spacer, facilitating accurate component positioning in assemblies like rotating shafts, linkages, and bearing mounts. With a knurled head and hex drive, installation is straightforward, even in confined spaces, enhancing assembly efficiency and reliability.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with 10-32 UNF fine threads and a shoulder diameter tolerance of -0.004" to -0.002". It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
