S-90324A060 8-32 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 thanks to 18-8 stainless steel construction, ideal for harsh industrial environments.
- Superior mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable, high-stress applications.
- Precise alignment and smooth rotation enabled by the 3/16" diameter shoulder with controlled tolerances.
- Secure, non-slip installation provided by the knurled socket head with a 3/32" hex drive.
- Reliable left-hand thread engagement using the 8-32 UNC coarse thread with Class 3A fit for vibration resistance.
- Durable, long-lasting performance ensured by Rockwell B55 hardness and robust material properties.
- Compliance with global standards including RoHS 3 and REACH for safe, environmentally responsible use.
Professional Applications & Engineering Value
This left-hand thread shoulder screw is engineered to address critical challenges in precision assembly and motion control systems. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, automation, and outdoor equipment where durability is paramount. The 3/16" shoulder diameter and precise length tolerance ensure accurate component positioning, reducing wear and misalignment in rotating assemblies like bearings, pulleys, and linkages. The UNC coarse thread and Class 3A fit offer secure fastening in high-vibration environments, while the knurled socket head allows for easy, tool-friendly installation without slippage. Ideal for industries requiring reliable, high-strength fasteners that maintain integrity under mechanical stress.
Specification Summary & Compliance
This shoulder screw adheres to inch system measurements with a Class 3A thread fit for precise UNC threading. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 3/8" with a tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.
