S-91746A660 8-32 x 5/8" Thumb Screws
Thumb 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
- Enhanced grip and torque application with knurled head texture for secure manual tightening without tools
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable, long-lasting performance
- Quick and easy installation with fully threaded 8-32 UNC coarse thread design and right-hand threading
- Precise thread engagement ensured by Class 2A thread fit for consistent fastening in industrial assemblies
- Low-profile round head design minimizes protrusion while providing ample thumb surface for comfortable operation
- Compliance with environmental regulations including RoHS 3 and REACH for safe use in global markets
Professional Applications & Engineering Value
This low-profile thumb screw delivers exceptional engineering value in applications requiring frequent adjustments or tool-free maintenance. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for electronics enclosures, medical devices, and outdoor equipment where moisture exposure is common. The knurled head ensures positive grip even with gloved hands, while the fully threaded 8-32 UNC coarse thread enables rapid installation and removal in plastic or metal components. Its right-hand thread direction and Class 2A thread fit guarantee precise alignment and vibration resistance in assembly lines, reducing maintenance downtime and improving operational efficiency across industrial sectors.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The component maintains 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance in demanding applications.
