S-91725A120 5/16"-18 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
- Enhanced manual grip and torque application with 1" diameter knurled round head for secure handling without tools
- Superior corrosion resistance and durability thanks to 18-8 stainless steel construction in demanding environments
- Quick and reliable assembly/disassembly enabled by low profile design and right-hand coarse UNC threading
- Consistent thread engagement and reduced cross-threading risk with precision Class 2B thread fit
- Secure fastening in vibration-prone applications due to coarse 5/16"-18 thread spacing
- Compliance with international environmental standards including REACH and RoHS 3 for global supply chain compatibility
- Versatile mounting options with four 3/16" holes for additional securing methods
Professional Applications & Engineering Value
This low profile thumb nut delivers exceptional value in applications requiring frequent manual adjustments and reliable fastening. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery, electrical enclosures, and outdoor equipment where moisture or chemicals are present. The knurled round head offers superior grip even with gloved hands, while the coarse UNC threading ensures quick installation and removal without compromising holding strength. Its Class 2B thread fit maintains consistent performance in vibration-intensive environments, reducing maintenance downtime and preventing accidental loosening. The compact 3/8" height makes it perfect for space-constrained assemblies where standard nuts would be impractical.
Specification Summary & Compliance
This thumb nut features 5/16"-18 UNC coarse threading with Class 2B thread fit for reliable engagement and right-hand thread direction for standard applications. The manufacturing adheres to inch system standards with a 1" head diameter and 3/8" height low profile design. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across various industrial sectors.
