S-91035A410 8-32 x 3/4" ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced manual grip with precision knurled round head for easy installation and removal without tools
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments
• Reliable panel retention with partially threaded design that prevents over-tightening and ensures secure fastening
• Broad compatibility with UNC coarse threads and Class 2A fit for consistent performance in standard applications
• Time-saving assembly featuring right-hand threading and thumb head for quick manual operation
• Regulatory peace of mind compliant with RoHS 3 and REACH, supporting global environmental standards
• Durable performance meeting ASTM A581 specifications for consistent quality in captive panel applications

Professional Applications & Engineering Value

This 8-32 UNC thumb screw in 18-8 stainless steel addresses common assembly challenges in electronics, machinery, and panel enclosures. The knurled head provides exceptional grip, reducing slippage during frequent adjustments, while the partially threaded captive design prevents accidental dislodging, maintaining panel integrity. Its corrosion-resistant properties ensure longevity in humid or corrosive settings, and the coarse thread spacing enables rapid installation. Ideal for captive panel screw applications, it streamlines maintenance and enhances reliability in industrial environments where durability and compliance are critical.

Specification Summary & Compliance

This thumb screw features a Class 2A thread fit with UNC coarse threads (8-32 size) and a length of 3/4", ensuring precise dimensional accuracy. It conforms to ASTM A581 manufacturing standards for material consistency and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material traceability.