S-91830A721 3/8"-16 x 1 1/4" 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
- Superior corrosion resistance with 18-8 stainless steel construction for reliable performance in harsh industrial environments.
- Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B83 hardness to withstand high-stress applications.
- Enhanced manual grip and torque application thanks to the knurled, raised round head design for secure handling without tools.
- Quick and easy installation with fully threaded 3/8"-16 UNC coarse threads and Class 2A fit for rapid assembly and disassembly.
- Durable, long-lasting performance in demanding conditions due to robust material properties and precision threading.
- Compliance with international standards including RoHS 3 and REACH, ensuring safe and environmentally responsible use.
- Versatile right-hand threading compatible with standard UNC components for broad industrial applicability.
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The knurled head provides a non-slip surface, enabling secure manual tightening in tight spaces or high-vibration settings, reducing the need for specialized tools and speeding up maintenance. With its fully threaded 3/8"-16 UNC coarse thread and Class 2A fit, it ensures precise engagement and reliable holding power in machinery, electronics enclosures, and assembly fixtures. The high tensile strength of 80,000 psi and corrosion-resistant material make it ideal for heavy-duty applications in manufacturing, automotive, and outdoor equipment, where durability and ease of use are critical for operational efficiency.
Specification Summary & Compliance
This thumb screw features a 3/8"-16 UNC coarse thread with Class 2A dimensional accuracy for consistent fit and performance. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it meets environmental and safety regulations for industrial use.
