523 Pcs M4 Socket Head Cap Screws Kit With 8 10 12 14 16 18 20 30 40mm Lengths Plus Nuts Washers And Fully Threaded 12.9 Grade Alloy Steel Heavy Duty Furniture Hardware For DIY Projects

M4 Socket Head Cap Screws Kit with Nuts and Washers 523 Pcs
✔️ 523 pcs M4 socket head screws in 9 lengths: 8-40 mm with nuts & washers

This 523-piece M4 socket head cap screws kit is made from 12.9 grade alloy steel with a black galvanizing finish. The surface is oil-free and odorless, offering burr-free threads, tight engagement, and reliable hardness. It includes hex nuts, lock washers, and flat washers for complete assemblies, ideal for precision machinery, instruments, electronics, and furniture hardware projects.

✅ 12.9 grade alloy steel provides high strength and hardness
✅ Black galvanizing finish is oil-free, burr-free, and corrosion resistant
✅ Includes M4 socket head screws, nuts, lock washers, and flat washers
✅ Nine length options cover 8, 10, 12, 14, 16, 18, 20, 30, 40 mm

💡 What is an M4 socket head cap screw kit used for in DIY projects? This handy set provides fasteners for secure, precise assemblies across machines, electronics, and furniture. - Machinery and equipment assembly - Electronics enclosures and mounts - Furniture and household fixtures - Long-lasting hardware thanks to 12.9 grade alloy steel and black finish

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