S-97832A208 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
- Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments.
- Precise component alignment enabled by the 3/16" shoulder diameter with tight tolerances, reducing assembly errors.
- High-strength reliability with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
- Secure, non-slip installation thanks to the knurled head and hex socket drive, allowing for high-torque fastening.
- Exceptional thread accuracy with Class 3A UNC coarse thread fit, ensuring consistent engagement and vibration resistance.
- Broad regulatory compliance including RoHS 3 and REACH, making it suitable for global industrial and electronic uses.
- Durable material hardness rated at Rockwell B55, providing excellent wear resistance and repeated use capability.
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material offers inherent corrosion resistance, ideal for machinery, automotive, and electronics where exposure to moisture or chemicals is common. The 3/16" shoulder diameter with controlled tolerances acts as a precise pivot or spacer, minimizing part misalignment and reducing wear on connected components. Combined with a Class 3A thread fit and coarse UNC threads, it ensures quick assembly and reliable performance in high-vibration environments. The hex socket drive and knurled head enhance grip during installation, speeding up production while maintaining tightness. These features make it a trusted choice for industrial shoulder screws in robotics, conveyor systems, and fixture manufacturing.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Key dimensions include a shoulder diameter of 3/16" (tolerance: -0.004" to -0.002") and shoulder length of 5/32" (tolerance: -0.005" to 0.005"), ensuring exacting dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated industries without hazardous substances.
