This USED M5x12 Hex Socket Head Cap Screw combines reliable strength with a sleek, low-profile finish. Crafted from carbon steel and finished in black zinc, it’s built to stand up to everyday wear while delivering a clean, professional look in your assemblies. Identified by the K023 code, this screw comes as part of an after-sales spare parts package, offering a cost-effective solution for replacements or multi-project builds. Key specifications

• Size: M5 thread, 12 mm length
• Head type: Hex socket head cap screw (Allen-drive)
• Material: Carbon steel
• Finish: Black zinc plating for corrosion resistance and a subdued, professional finish
• Condition: USED (part of an after-sales spare parts package, K023)

Why this screw stands out - Cost-effective replacement: Perfect for projects where you need reliable fasteners without paying premium for new stock. The used condition is ideal for non-critical or non-structural applications where appearance and function still matter. - Consistent performance: The carbon steel core provides solid strength for typical mechanical and assembly tasks, while the black zinc coating enhances durability in environments with moisture or humidity. - Versatile compatibility: With a standard M5 thread and 12 mm length, this screw fits a wide range of housings, brackets, panels, and mechanical assemblies that rely on compact, high-torque fasteners. Ideal use cases - Replacing missing hardware in diy, hobbyist, and workshop projects such as robotics frames, 3D printer assemblies, and small machinery. - Securing covers, panels, or protective housings where a clean, flush-looking screw head improves aesthetics and access. - Spare parts for maintenance kits, ensuring you’re ready for routine servicing or quick repairs without hunting for exact-match fasteners. Installation tips and considerations - Inspect the threads and remove any debris before installation to ensure smooth engagement and proper torque transfer. - Use a compatible hex driver to avoid stripping the head; keep the drive clean for consistent engagement over time. - When selecting multiple screws for an assembly, check fitment against the exact mounting holes to ensure 12 mm length provides adequate thread engagement without bottoming out. This description reflects the product’s real-world value for builders, technicians, and hobbyists who need dependable, ready-to-use hardware in a cost-conscious package. The combination of M5x12 sizing, carbon steel durability, and a black zinc finish makes it a practical, no-nonsense choice for everyday projects and spare parts inventories.