S-91035A499 10-24 x 1 3/8" ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled round head for secure grip without tools
• Superior corrosion resistance from 18-8 stainless steel construction in demanding environments
• Quick installation and removal with 10-24 UNC coarse threading for faster assembly
• Reliable thread engagement ensured by Class 2A fit for consistent panel fastening
• Versatile partial threading allows captive retention while permitting panel adjustment
• Dual drive compatibility with slotted drive offering backup tool option
• Regulatory compliance meeting industrial standards for material and environmental safety

Professional Applications & Engineering Value

This 18-8 stainless steel thumb screw delivers exceptional value in industrial panel applications where frequent access is required. The knurled head provides positive grip for manual operation, eliminating tool dependency while the 10-24 UNC coarse thread ensures rapid installation and removal cycles. Engineered with partial threading, it maintains captive functionality in panels while allowing necessary adjustment range. The stainless steel construction resists corrosion in harsh environments, making it ideal for electronics enclosures, machinery access panels, and instrumentation covers where durability and repeated use are critical. The combination of slotted drive and thumb operation offers flexibility for both manual and tool-assisted tightening in confined spaces.

Specification Summary & Compliance

This captive panel screw features 10-24 UNC coarse threading with Class 2A thread fit for precision engagement. Manufacturing complies with ASTM A581/A582 specifications for quality assurance. The product is RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial components.