S-91830A205 8-32 x 5/16" 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, ideal for harsh industrial environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for heavy-duty applications
- Enhanced user grip and torque application thanks to the fully knurled round head design
- Quick and easy hand installation/removal without tools, facilitated by the raised thumb screw profile
- Reliable and consistent thread engagement with UNC coarse thread spacing and Class 2A fit for secure fastening
- Full-length threading provides maximum adjustability and holding power along the entire 5/16" length
- Compliance with major environmental regulations including RoHS 3 and REACH for global market acceptance
Professional Applications & Engineering Value
This 8-32 UNC thumb screw in 18-8 stainless steel is engineered to solve critical challenges in industrial assembly and maintenance. The knurled head and raised profile deliver maximum manual torque and slip resistance, eliminating the need for tools in tight spaces or frequent adjustment scenarios. Its fully threaded coarse UNC design with Class 2A fit ensures rapid installation and vibration resistance in machinery, electronics enclosures, and jig fixtures. The high tensile strength and corrosion-resistant material make it perfect for demanding environments where durability and reliability are paramount, from manufacturing equipment to outdoor instrumentation.
Specification Summary & Compliance
This thumb screw features precise Class 2A thread fit with UNC coarse spacing on an 8-32 thread size and right-hand thread direction. Manufacturing adheres to standard inch system specifications for dimensional accuracy, including a 5/16" length, 7/16" head diameter, and integrated collar. 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.
