This used Hexagon socket thin cylindrical head M5 x 12 screw and spring washer assembly is a compact, precise fastening solution designed for tight spaces and vibration-prone environments. With a low-profile cylindrical head and a secure hex socket drive, it keeps hardware flush and interference-free while delivering reliable clamping force.

Why this combination matters

• Low-profile profile. The thin cylindrical head sits closer to the surface than broader head styles, reducing visibility and clearance issues in enclosures, panels, and compact assemblies.
• Secure torque with reduced cam-out. The hex socket drive provides steady torque control, helping you achieve consistent clamping without slipping during installation.
• Vibration resistance. The included spring washer adds preload and a locking action that helps prevent loosening under movement or thermal cycling.
• Pre-assembled convenience. This item comes as a screw and washer assembly, ready for immediate use in metric M5 applications.

Ideal uses

• Electronics enclosures, instrument panels, and small control boxes where a clean, unobtrusive fastener is essential.
• Robotics and hobby projects that require stable mounting in tight cavities or close-fitting components.
• Light machinery, fixtures, and DIY assemblies where vibration can loosen fasteners and a spring washer helps maintain preload.

Specifications

• M5 x 12 mm
• Head type: Hexagon socket with a thin cylindrical head
• Drive: Hex socket
• Washer: Spring washer included
• Condition: Used
• Included: 1 x screw with spring washer assembly

Tips for best results

• Inspect threads for any damage before installation and run a light clean or lubrication if appropriate for your application.
• Insert into standard M5 tapped holes or through-holes with compatible nuts where needed, ensuring the washer seats flat against the surface for optimal preload.
• Use a proper hex key sized for M5 socket screws to apply steady torque and avoid over-tightening, which can strip threads or deform the head.
• Because this is a used component, plan for a visual inspection when procuring multiple pieces to ensure consistent sizing and fit across your project.

Whether you’re upgrading an electronics chassis, tightening a compact robotic mount, or securing a machine panel where space is at a premium, this used Hexagon socket thin cylindrical head M5 x 12 screw with spring washer assembly brings reliable reach, secure hold, and a tidy finish to your work.