S-91259A607 6-32 ASTM A574 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 Tensile Strength: Withstands up to 140,000 psi, ensuring reliable performance in high-stress mechanical assemblies.
- Precision Shoulder Design: Features a 3/4" shoulder with tight tolerances for accurate alignment and reduced wear in rotating parts.
- Corrosion-Resistant Black Oxide Finish: Provides enhanced durability and protection against rust in demanding industrial environments.
- Class 3A Thread Fit: Delivers superior thread engagement and vibration resistance for secure fastening in critical applications.
- High Hardness Alloy Steel Construction: Rockwell C32 hardness ensures long-lasting wear resistance and dimensional stability.
- Hex Socket Drive Compatibility: Allows for easy installation and removal with standard 3/32" hex tools, improving assembly efficiency.
- Compliant with Industry Standards: Meets ASTM A574, RoHS 3, and REACH regulations for safe, reliable use in global markets.
Professional Applications & Engineering Value
This Alloy Steel Shoulder Screw is engineered to address common challenges in precision machinery, such as misalignment and component wear. The 6-32 UNC coarse thread and Class 3A fit provide excellent holding power in applications like rotating shafts, linkages, and bearing mounts, where vibration resistance is critical. The black oxide finish not only enhances corrosion resistance but also reduces friction, extending the life of moving parts. With a 3/4" shoulder length manufactured to tight tolerances, it ensures accurate positioning in assemblies, minimizing downtime and maintenance costs in industrial equipment, automotive systems, and automation technology.
Specification Summary & Compliance
The screw features a 6-32 UNC thread with Class 3A fit for precise thread engagement, and shoulder dimensions include a diameter of 5/32" (tolerance: -0.004" to -0.002") and length of 3/4" (tolerance: -0.005" to 0.005"). It is manufactured in accordance with ASTM A574 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and reliability for industrial use.
