S-98704A540 10-32 x 7/8" 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
- Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in humid or demanding industrial environments.
- Knurled Acetal Plastic thumb head provides a secure, non-slip grip for easy hand-tightening and adjustment without tools.
- Class 3A thread fit with 10-32 UNF fine threading delivers precise, vibration-resistant fastening for critical assemblies.
- Low-profile round head design allows for use in tight spaces while maintaining a professional appearance.
- Black surface finish offers enhanced aesthetics and additional protection against light abrasion.
- Full RoHS 3 and REACH compliance guarantees safe use in regulated industries and global markets.
- Right-hand fine threads enable smooth installation and superior holding power in metal or plastic components.
Professional Applications & Engineering Value
This 10-32 UNF Black 18-8 Stainless Steel Thumb Screw is engineered to address common assembly challenges where frequent adjustments or tool-free access is required. The knurled Acetal Plastic head ensures maximum operator grip, reducing installation time and preventing damage to sensitive surfaces. Its fine threading and Class 3A fit provide excellent resistance to loosening under vibration, making it ideal for electronics enclosures, machinery panels, and instrumentation. The corrosion-resistant stainless steel body withstands exposure to moisture, chemicals, and temperature variations from 32° to 180°F, ensuring dependable performance in industrial, automotive, and aerospace applications without compromising on compliance or durability.
Specification Summary & Compliance
This thumb screw features a 10-32 UNF fine thread with Class 3A precision fit, ensuring tight tolerances and reliable engagement. It is fully threaded with a right-hand direction and includes a 5/32" hex drive for optional tool use. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial sectors.
