S-91273A556 10-32 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
- Enhanced Corrosion Resistance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
- Precise Alignment and Reduced Wear thanks to the 1-1/4" shoulder length with tight tolerances, ensuring accurate component positioning.
- Superior Fastening Strength with a tensile strength of 70,000 psi and shear strength of 35,000 psi for reliable performance under high stress.
- Secure and Non-Slip Installation featuring a knurled socket head with a 3/32" hex drive for improved grip and torque application.
- Consistent Thread Engagement with a Class 2A fit and 10-32 UNF fine thread, providing vibration resistance and secure fastening.
- Durable and Long-Lasting due to Rockwell B55 hardness, offering excellent wear resistance and mechanical durability.
- Compliant and Safe for Global Use meeting RoHS 3 and REACH regulations, ensuring environmental and safety standards are upheld.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to solve critical alignment and durability challenges in demanding mechanical assemblies. The 10-32 UNF fine thread and Class 2A thread fit ensure secure, vibration-resistant fastening in applications like rotating machinery, precision instruments, and automation systems. The 1-1/4" shoulder length with controlled tolerances provides a stable bearing surface, reducing wear on mating components and maintaining precise alignment. Constructed from 18-8 stainless steel with a black oxide finish, it offers excellent corrosion resistance, making it suitable for harsh environments, including outdoor and chemical-exposed settings. The knurled socket head and hex drive allow for easy installation in confined spaces, enhancing assembly efficiency and reliability in industrial and engineering applications.
Specification Summary & Compliance
This shoulder screw adheres to Class 2A thread fit and UNF thread standards, ensuring precise dimensional accuracy and reliable performance. The shoulder diameter and length maintain tight tolerances for consistent assembly. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global markets and environmentally conscious industries.
