S-95536A127 M3 x 13 mm ASTM A581, ASTM A582 Captive Panel Screws

Key Features & Benefits at a Glance

• Enhanced manual grip and torque application with a fully knurled round head, reducing tool dependency in tight spaces.
• Superior corrosion resistance and durability from 18-8 stainless steel construction, ideal for harsh industrial environments.
• Quick and secure coarse thread engagement with M3 x 0.5 mm metric threading, speeding up panel assembly and disassembly.
• Reliable captive design prevents loss in panel applications, ensuring components remain attached during maintenance.
• Dual drive versatility with a slotted drive option for standard screwdrivers, offering flexibility in installation methods.
• Precision partial threading on a 13 mm length allows for controlled clamping force without over-tightening.
• Compliance with stringent industry standards including ASTM A581, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M3 thumb screw is engineered to address common challenges in captive panel assemblies, such as frequent access needs and vibration-induced loosening. Made from 18-8 stainless steel, it provides excellent resistance to oxidation and chemical exposure, making it suitable for electronics enclosures, industrial machinery, and medical devices. The knurled head and coarse thread design enable quick hand-tightening without tools, reducing assembly time and minimizing wear. Its partially threaded shank ensures precise stop points, preventing damage to sensitive components. By integrating a slotted drive, it offers backup tool compatibility, enhancing reliability in maintenance-heavy applications where speed and security are critical.

Specification Summary & Compliance

This metric captive panel screw features M3 x 0.5 mm coarse threads with a right-hand direction and partial threading over a 13 mm length, adhering to standard metric tolerances. It meets ASTM A581 specifications for material quality and performance, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and consumer applications.