Hexagon Socket Head Carbon Steel Screws with Spring Washers and Flat Washers Assemblies M5x12

Reliably secure and ready for action, these Hexagon Socket Head Carbon Steel Screws with Spring Washers and Flat Washers Assemblies in M5x12 size are designed to streamline your builds. Built to handle everyday torque and vibration, they pair strong, dependable performance with practical, all-in-one hardware in one compact package.

Why this assembly stands out

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  All-in-one reliability: a hex socket head screw paired with both a spring washer and a flat washer, so you get locking action and load distribution without hunting for separate components.
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  Flush, space-efficient installation: the hex socket head sits neatly in tight spaces, giving you a clean, unobtrusive finish.
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  Robust yet affordable material: carbon steel provides solid strength for common mechanical and structural applications without the premium price tag.
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  Versatile sizing: M5x12 is a versatile choice for brackets, panels, and lightweight frames across a wide range of projects.
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  Time-saving convenience: eliminates the guesswork of pairing bolts with washers, helping you assemble faster and with fewer parts to keep track of.

Real-world use cases

Ideal for mounting electronics enclosures, assembling machinery frames, securing brackets on lightweight metal furniture, and supporting DIY projects that demand dependable clamping with vibration resistance. Whether you’re building a robotics chassis, a CNC frame, or a modular workbench, this all-in-one screw kit keeps your hardware organized and ready to install.

How it helps you think about quality and value

Unlike loose hardware combos, this assembly provides a consistent clamping solution that protects mating surfaces with a flat washer and counters the risk of loosening through a spring washer’s locking action. The result is steadier assemblies, fewer adjustments, and a cleaner, more professional finish.

Specifications at a glance

• Size: M5x12 (5 mm nominal thread diameter, 12 mm length)
• Head type: Hexagon socket head (Allen)
• Material: Carbon steel
• Includes: Spring washer and flat washer assemblies