S-91185A909 10-32 x 7/8" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual operation with a two-arm thumb head design for quick adjustments without tools
• Superior corrosion resistance from 18-8 stainless steel construction, ideal for demanding environments
• Precise, secure fastening with Class 3A thread fit, minimizing the risk of loosening under vibration
• Lightweight, durable head made from black acetal plastic, offering excellent impact resistance and a professional appearance
• Wide temperature compatibility with a head rated from 32° to 180° F for versatile industrial use
• Full thread engagement along the 7/8" length for maximum holding power in a variety of material thicknesses
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable components for your assemblies

Professional Applications & Engineering Value

This 10-32 UNF thumb screw is engineered to address common challenges in industrial assembly and maintenance. The 18-8 stainless steel body provides excellent resistance to rust and corrosion, making it suitable for use in humid or chemically exposed environments, such as in electronic enclosures, machinery panels, and laboratory equipment. The black acetal plastic head is not only electrically insulating and lightweight but also resistant to wear and deformation, ensuring long-term reliability for frequent manual adjustments. The fine UNF thread and Class 3A thread fit offer superior precision, reducing cross-threading risks and providing a tighter, more secure fit compared to standard fits. This combination of durable materials and precision threading ensures consistent performance in applications requiring repeated access and secure fastening, from prototyping to production lines.

Specification Summary & Compliance

This thumb screw adheres to UNF (Unified National Fine) thread standards with a Class 3A thread fit for high precision and tight tolerances. Key dimensions include a thread size of 10-32, thread diameter of 0.19", and a length of 7/8", with fully threaded and right-hand threading. The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial components.