S-94496A330 3/8"-16 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 load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance in high-stress applications.
- Precision alignment and smooth rotation ensured by the 1/2" shoulder diameter and standard shoulder fit, reducing wear on mating components.
- Corrosion-resistant zinc plating provides durable surface protection, extending service life in various industrial environments.
- Easy installation and removal with external hex drive and smooth hex head, allowing for efficient assembly with standard tools.
- Secure and consistent fastening thanks to Class 2A thread fit and coarse UNC threads, minimizing the risk of loosening under vibration.
- High material integrity with Rockwell B80 hardness, offering excellent resistance to deformation and abrasion.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw is engineered to address critical alignment and rotational needs in precision industrial applications. The steel construction with zinc plating combats corrosion, while the 1/2" shoulder diameter and 1-3/4" shoulder length provide a stable pivot or spacer, reducing friction and misalignment in machinery, automotive assemblies, and conveyor systems. Its right-hand coarse threads and external hex drive facilitate quick installation, making it ideal for high-volume production lines where durability and efficiency are paramount. By maintaining tight tolerances and high shear strength, this shoulder bolt minimizes downtime and maintenance costs in demanding environments.
Specification Summary & Compliance
The screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement, and shoulder dimensions include a diameter tolerance of -0.004" to 0" and length tolerance of -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) compliance under exemption 6(a) for lead in steel and is REACH (EC 1907/2006) compliant, ensuring environmental safety for industrial use.
