760pcs M4 Flat Head Screws Assortment Kit, M4x6 /8 /10 /12 /16 /18 /20 mm

Features

• Product details- This M4 countersunk screw assortment kit comes with 760 pieces, including 190pcs M4bolts, 190pcs nuts, 190pcs flat washers, 190pcs spring washers. This M4 screw set is ideal for electronics, RC models, DIY repairs, home repairs and machinery.
• Standardized Metric Sizes -The M4 phillips flat head screws set come with 7 commonly used lengthsM4 x 6mm, 8mm, 10mm, 12mm, 16mm,18mm,20mmideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.
• Premium 8.8 Grade Alloy Steel- This M4 phillips flat head bolts and nuts assorted kit are crafted from high-strength grade 8.8 alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, perfect for any indoor/light outdoor use.
• Oil-Free & Rust-Proof -Black zinc plating means no greasy messkeep hands and projects clean. Superior rust resistance ensuring long life.This 3mm black machine screw set ensures a cleaner handling experience and long-lasting performance even in humid or demanding conditions.
• Smart Storage Box - The metric machine flat head screws fasteners kit comes in a durable, compartmentalized case with clear size labelsso you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother.