S-95536A207 M3.5 x 11 mm ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Easy manual installation and removal with knurled round head design requiring no tools
• Superior corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• Secure panel retention through partially threaded design that prevents complete detachment
• Quick assembly alignment with coarse metric threading (M3.5 x 0.6mm) for faster engagement
• Dual operation capability featuring both thumb grip and slotted drive for flexible installation
• Consistent performance ensured by ASTM A581 compliance for material quality and manufacturing standards
• Environmental regulation compliance meeting RoHS 3 and REACH requirements for global applications

Professional Applications & Engineering Value

This M3.5 thumb screw delivers exceptional value in electronic enclosures, control panels, and industrial equipment where frequent access is required. The 18-8 stainless steel construction provides excellent corrosion resistance, eliminating rust concerns in humid or chemically aggressive environments. The knurled round head offers superior grip for manual operation, while the slotted drive accommodates tool-assisted tightening when needed. As a captive panel screw, its partially threaded design ensures the fastener remains securely attached to the panel, preventing loss during maintenance cycles. This combination of features addresses critical industrial pain points including tool-free access, component security, and long-term durability in demanding applications.

Specification Summary & Compliance

This metric thumb captive panel screw features M3.5 x 0.6 mm coarse thread spacing with right-hand threading and 5.5mm thread length. The fastener maintains standard metric thread specifications with an 8mm knurled head diameter and 11mm total length. Manufacturing compliance includes ASTM A581 for material quality and performance standards, along with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for global market acceptance.