*USED* Hexagonal cylindrical head flat washer with blue and white zinc plating screws Accessory Package_Mechanical semi-finished products_M4 * 12

This used 12-piece Accessory Package is a practical, budget-friendly hardware solution designed for quick, reliable assemblies. It brings together M4 screws finished in blue and white zinc plating with accompanying hexagonal cylindrical-head flat washers, all tailored for mechanical semi-finished projects and hands-on DIY work.

What’s included

• 
  12 pieces of M4 screws with blue and white zinc plating
• 
  Hexagonal cylindrical-head fasteners paired with flat washers to distribute load and protect surfaces
• 
  Accessory package suited for mechanical semi-finished products, making it easy to inventory and source fasteners in one go

Why this kit stands out

Unlike generic bulk fasteners, this used set is purpose-built for compatibility with standard M4 threaded holes and common project needs. The blue and white zinc plating not only provides a durable finish but also helps you visually identify the hardware during assemblies, repairs, or prototyping sessions. The hexagonal cylindrical-head design offers solid torque transfer with common drivers, reducing the chance of slippage during installation.

Ideal uses and scenarios

• Repairing or assembling small metal fixtures, enclosures, or frame components
• DIY projects that require reliable fasteners with load-distributing washers
• Replacement hardware for hobby kits and educational STEM projects
• Prototyping or refurbishing equipment where standard M4 hardware is needed

Size, compatibility, and practical tips

Each fastener is M4 in diameter with a length of 12 mm. Use these with standard M4 threaded holes and compatible flat washers for best load distribution. When installing, choose an appropriate driver to avoid stripping, align washers flush against the surface, and tighten to the recommended torque for your material. Since this set is pre-owned, inspect each piece for excessive wear or plating degradation before critical applications.

Who this is for

Perfect for budget-conscious hobbyists, makers, and professionals stocking a ready-to-use quick-repair kit. It’s also ideal for those who want a cohesive, visually identifiable hardware bundle that pairs well with other blue/white plated components in their project toolbox.

Care and storage

Keep the kit in a dry, organized container to minimize moisture exposure and surface corrosion. Reinspect periodically if you store it for extended periods, especially in environments with high humidity or temperature fluctuations.