S-91830A209 8-32 x 9/16" 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 grip and easy manual operation with a knurled round head design that prevents slipping during installation and removal
- Excellent corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable, heavy-duty fastening for demanding applications
- Quick and secure installation with coarse 8-32 UNC threading and Class 2A fit for consistent engagement
- Durable and long-lasting performance backed by Rockwell B83 hardness, resisting wear and deformation
- Fully threaded design provides maximum thread engagement and holding power along the entire length
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use
Professional Applications & Engineering Value
This 8-32 UNC thumb screw in 18-8 Stainless Steel is engineered to solve common industrial fastening challenges, such as frequent adjustments and exposure to corrosive elements. The knurled head offers exceptional manual grip, reducing tool dependency and speeding up assembly in machinery, electronics, and panel enclosures. Its coarse threading and Class 2A fit ensure quick alignment and secure fastening, minimizing loosening under vibration. With a tensile strength of 80,000 psi and full threading, it delivers robust performance in applications requiring repeated use, from manufacturing equipment to automotive components, while the stainless steel material resists rust, extending service life in humid or outdoor settings.
Specification Summary & Compliance
This thumb screw adheres to precise dimensional standards, including UNC thread specifications with a Class 2A thread fit for consistent tolerance and ease of assembly. Key measurements include a thread size of 8-32, length of 9/16", and head diameter of 7/16". It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.
