S-97381A202 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
- High tensile strength of 40,000 psi ensures reliable load-bearing capacity in demanding industrial applications.
- Precision Class 3A thread fit guarantees smooth assembly and secure fastening with minimal risk of cross-threading.
- Lightweight 6061 Aluminum construction reduces overall component weight without sacrificing durability.
- Knurled socket head with hex drive provides superior grip and torque transmission, preventing tool slippage during installation.
- Coarse UNC thread profile enables quick installation and removal, ideal for high-vibration environments.
- RoHS 3 and REACH compliance ensures environmental safety and meets international regulatory standards for industrial use.
- Consistent shoulder diameter and length tolerances maintain precise alignment for rotating parts and mechanical assemblies.
Professional Applications & Engineering Value
This 6061 Aluminum shoulder screw is engineered to address critical alignment and wear challenges in machinery. The 3/16" shoulder length and controlled diameter tolerances provide an exact pivot point for gears, bearings, and linkages, reducing eccentric motion and component wear. Its coarse 8-32 UNC thread and Class 3A fit ensure rapid, secure fastening in high-cycle applications, from conveyor systems to automated fixtures. The knurled socket head enhances torque stability, while the aluminum alloy offers corrosion resistance for long-term reliability in industrial environments, making it an optimal choice for precision mechanical assemblies requiring lightweight, high-strength fastening solutions.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC coarse threading, ensuring high precision in assembly. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005" for consistent performance. It is manufactured in compliance with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006), meeting environmental and safety standards for industrial fasteners.
