S-91035A495 10-24 x 1 1/8" ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Enhanced grip and torque application thanks to the knurled round head design, allowing for easy hand-tightening without tools
• Secure and reliable panel fastening achieved through partial threading and 10-24 UNC coarse threads that resist vibration loosening
• Precise thread engagement with Class 2A thread fit ensuring consistent performance and easy installation
• Broad regulatory compliance meeting ASTM A581, RoHS 3, and REACH standards for quality assurance and environmental safety
• Optimized for repeated use in panel applications with captive design preventing loss or misplacement during maintenance
• Right-hand threading compatibility with standard UNC fasteners for seamless integration into existing assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial panel fastening applications, this 10-24 UNC thumb screw combines the durability of 18-8 stainless steel with practical user-focused design. The knurled head provides exceptional grip even with gloved hands, significantly reducing installation time in tight spaces where tools are impractical. Its coarse threading and partial threading design ensure secure engagement with panel materials while preventing over-tightening and thread stripping. Particularly valuable in electronic enclosures, machinery access panels, and instrumentation, this captive panel screw maintains alignment and prevents loss during frequent maintenance cycles. The right-hand thread direction follows industry standards for intuitive operation, while the 3/8" head diameter offers sufficient surface area for comfortable manual operation without compromising space requirements.

Specification Summary & Compliance

This thumb screw features 10-24 UNC coarse threads with Class 2A thread fit for precise dimensional accuracy and reliable performance. Manufacturing complies with ASTM A581 specification for quality consistency. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions.