S-91273A552 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
- Exceptional corrosion resistance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
- Superior load-bearing capability thanks to 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance under stress.
- Precise alignment and spacing enabled by the standard shoulder fit and fine UNF threading, ensuring accurate component positioning.
- Enhanced grip and tool engagement from the knurled socket head and 3/32" hex drive, reducing slippage during installation.
- Consistent thread quality with Class 2A thread fit, providing smooth assembly and reducing the risk of cross-threading.
- Durable and wear-resistant material with Rockwell B55 hardness, extending service life in high-cycle applications.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This 10-32 UNF shoulder screw is engineered to address common challenges in precision assembly, such as misalignment and component wear. The 18-8 stainless steel with a black oxide finish offers excellent resistance to corrosion and oxidation, making it suitable for automotive, machinery, and electronic enclosures exposed to moisture or chemicals. The fine UNF threading and Class 2A thread fit ensure tight, secure fastening in applications requiring vibration resistance, while the knurled socket head allows for easy installation with standard hex tools. Its robust shoulder design provides stable support for rotating parts like bearings and pulleys, reducing friction and maintenance needs in industrial shoulder screw applications.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit with UNF fine threading for precise tolerance. Key dimensions include a thread size of 10-32, shoulder diameter of 3/16" (tolerance: -0.004" to -0.002"), and shoulder length of 1/2" (tolerance: -0.005" to 0.005"). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
