S-95536A215 M3.5 x 13 mm ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for humid or demanding industrial environments
• Enhanced manual grip and torque application thanks to the fully knurled round head design, eliminating the need for tools in quick assembly/disassembly
• Secure and reliable panel retention with a 5.5 mm partially threaded shank, preventing loosening from vibration in electronic enclosures
• Quick and easy coarse thread engagement (M3.5 x 0.6 mm) for faster installation and reduced assembly time
• Broad regulatory compliance including RoHS 3 and REACH, ensuring safety for global electronics and industrial markets
• Consistent quality and performance backed by ASTM A581 specification compliance for material and manufacturing standards
• Optimized for repetitive use with a durable right-hand thread and 8 mm head diameter for comfortable, long-lasting operation

Professional Applications & Engineering Value

This M3.5 thumb screw is engineered to solve critical fastening challenges in panel assembly and electronics. The 18-8 stainless steel material provides excellent corrosion resistance, crucial for protecting sensitive components in industrial or outdoor settings. The knurled head offers a non-slip surface, enabling quick manual adjustments without tools, which is vital for maintenance-heavy applications. As a captive panel screw, its partially threaded design ensures it remains attached to the panel even when disengaged, preventing loss and streamlining production lines. The coarse metric thread (M3.5 x 0.6 mm) allows for rapid installation and secure holding in sheet metal or plastic panels, making it a reliable choice for electronic enclosures, communication devices, and machinery where vibration resistance and ease of access are paramount.

Specification Summary & Compliance

This screw features a metric M3.5 x 0.6 mm coarse thread with standard right-hand threading and a thread length of 5.5 mm. It is manufactured in compliance with ASTM A581 for material quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety regulations for hazardous substances.