S-98704A310 8-32 x 9/32" 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 black acetal plastic head for secure manual tightening without tools
- Superior corrosion resistance and durability from 18-8 stainless steel construction, ideal for humid or demanding environments
- Precise, reliable fastening with Class 3A thread fit ensuring tight tolerances and reduced risk of cross-threading
- Easy installation and removal featuring a low-profile round head and coarse UNC threads for quick adjustments
- Temperature stability with head operating range from 32° to 180°F, maintaining performance in varying conditions
- Environmental and safety compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Versatile drive options with 9/64" hex drive allowing tool-assisted tightening when additional force is needed
Professional Applications & Engineering Value
This 8-32 UNC thumb screw is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The 18-8 stainless steel body provides excellent strength and rust resistance, while the black acetal plastic head with knurling ensures a firm grip even with gloves or oily hands. Its Class 3A thread fit and coarse thread spacing enable rapid assembly and disassembly in equipment panels, electronic enclosures, and machinery requiring regular maintenance. The low-profile round head design minimizes snagging in tight spaces, making it ideal for aerospace, automotive, and telecommunications applications where reliability and ease of use are critical.
Specification Summary & Compliance
This thumb screw adheres to UNC thread standards with a Class 3A thread fit for high precision. It is fully threaded with right-hand direction and coarse spacing. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. Dimensions include a thread size of 8-32, head diameter of 1/2", and length of 9/32", manufactured to consistent quality standards for industrial use.
