S-95536A113 M3 x 11 mm ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with a knurled round head for superior grip in tight spaces, reducing tool dependency and speeding up assembly.
• Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in harsh industrial environments, minimizing maintenance and replacement costs.
• Precision M3 x 0.5 mm coarse threading provides quick and secure fastening, ideal for repeated access panels without cross-threading risks.
• Partially threaded 11 mm length design offers controlled engagement and prevents over-tightening, protecting sensitive components from damage.
• Slotted drive compatibility allows for tool-assisted adjustments when needed, adding versatility to manual operation.
• Compliance with ASTM A581, RoHS 3, and REACH standards guarantees material consistency and environmental safety for global supply chain integration.
• 6.5 mm head diameter and right-hand threading enable intuitive installation and secure retention in captive panel applications.

Professional Applications & Engineering Value

This M3 thumb screw is engineered to address common challenges in captive panel assemblies, where frequent access and vibration resistance are critical. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for electronics enclosures, medical devices, and outdoor equipment exposed to moisture. The knurled head and coarse metric thread ensure a firm grip and rapid installation, reducing assembly time and operator fatigue. Its partially threaded design prevents over-penetration, safeguarding internal components. Ideal for industries requiring reliable, tool-free fastening solutions, this screw enhances panel screw performance while meeting stringent ASTM A581 specifications for consistent quality.

Specification Summary & Compliance

This metric thumb screw features M3 x 0.5 mm coarse threads with standard right-hand direction and a partially threaded length of 3.2 mm on an 11 mm overall shank. Manufactured in compliance with ASTM A581 for material integrity, it adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for international markets. The slotted drive and knurled round head support precise manual or tool-assisted installation.