S-92815A131 5/8"-11 Thumb Nuts
Thumb Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Effortless hand-tightening with a knurled texture on the round head for superior grip without tools
- Enhanced durability and corrosion resistance from the black-oxide steel finish, ideal for harsh industrial environments
- Secure and reliable thread engagement with Class 2B thread fit and coarse UNC threading for quick assembly and vibration resistance
- Space-saving low-profile design with a 3/8" height and 1" head diameter for use in confined areas
- Stable mounting and alignment provided by the 3/4" collar diameter and 1/8" collar height
- Compliance with stringent environmental regulations, including REACH and RoHS 3, ensuring safe and sustainable use
- Right-hand thread direction for standard, intuitive installation in common applications
Professional Applications & Engineering Value
This 5/8"-11 UNC thumb nut is engineered to address the need for reliable, tool-free fastening in demanding industrial settings. The black-oxide steel construction provides excellent resistance to corrosion and wear, extending service life in environments exposed to moisture, chemicals, or frequent adjustments. The low-profile, round head with deep knurling ensures a firm grip, reducing hand fatigue and preventing slippage during manual tightening or loosening. Its coarse thread spacing and Class 2B thread fit offer quick installation and robust holding power, making it ideal for machinery, equipment panels, and fixtures where vibration resistance and easy maintenance are critical. This fastener delivers consistent performance in assembly lines, automotive, and metalworking applications, streamlining operations and reducing downtime.
Specification Summary & Compliance
This thumb nut adheres to UNC thread standards with a 5/8"-11 thread size and Class 2B thread fit for precise dimensional accuracy and reliable performance. It is manufactured in compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, including exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental safety and regulatory adherence.
