S-91746A459 3/8"-16 x 3" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Effortless hand-tightening with a knurled round head for superior grip in high-vibration or gloved-hand applications
- Exceptional corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh industrial environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for demanding, heavy-duty use
- Rapid installation and adjustment due to the coarse UNC thread and Class 2A fit, reducing assembly time
- Secure partial threading on a 3" length for precise engagement and clamping control
- Low-profile head design for use in confined spaces without compromising on torque application
- Global compliance assurance meeting RoHS 3 and REACH regulations for safe, unrestricted international sourcing
Professional Applications & Engineering Value
Engineered for tool-free operation, this 18-8 Stainless Steel thumb screw solves critical assembly challenges in maintenance panels, machinery access points, and electronic enclosures. The knurled head delivers a non-slip surface, enabling secure tightening even with oily hands or protective gloves, which minimizes downtime. Its coarse 3/8"-16 UNC thread and Class 2A fit provide fast engagement and reliable clamping force, reducing the risk of cross-threading in high-cycle applications. The low-profile, round head and partial threading offer precise stop control, making it ideal for adjustable fixtures and frequently serviced industrial equipment where durability and ease of use are paramount.
Specification Summary & Compliance
This thumb screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent, reliable engagement. Manufacturing specifications include a thread size of 3/8"-16, a length of 3", and a head diameter of 0.875". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent international environmental and safety standards for industrial components.
