S-94035A628 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
- Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance.
- Precise alignment and smooth rotation due to the accurate 1/4" shoulder diameter and fine 10-32 UNF threading with Class 2A fit.
- Easy installation and removal with a standard hex socket drive, ensuring secure fastening in confined spaces.
- Consistent dimensional stability with tight shoulder length and diameter tolerances for repeatable assembly accuracy.
- Compliance with global regulations, including RoHS 3 and REACH, ensuring safe and sustainable use in various markets.
- Versatile right-hand fine threading providing excellent vibration resistance and secure holding power in dynamic applications.
Professional Applications & Engineering Value
This stainless steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 2 1/2" shoulder length acts as a precise pivot or spacer, minimizing wear in rotating components like gears, pulleys, and linkages. Made from 18-8 stainless steel with a passivated finish, it resists corrosion in moist or chemical-exposed settings, extending service life. The 10-32 UNF fine thread and Class 2A fit ensure tight, secure fastening with reduced loosening under vibration, making it ideal for machinery, automotive, and electronic enclosures where reliability is paramount. Its hex drive design allows for efficient torque application, speeding up assembly in high-volume production lines.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit per UNF standards, ensuring precise engagement and interchangeability. Dimensions include a shoulder diameter of 1/4" with tight tolerances and a shoulder length of 2 1/2" for accurate positioning. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.
