4 Sizes Metric Screw Assortment KitThis 2200pcs screws set includes M2-0.4, M3-0.5, M4-0.7, M5-0.8 sizes with precise thread diameters (2mm/3mm/4mm/5mm). Lenths of the thread M2x4mm/8mm/12mm/16mm. M3x6mm/8mm/12mm/16mm. M4x8mm/12mm/16mm/20mm. M5x8mm/12mm/16mm/20mm.According with standardized metric system. And the average error is less than 0.01mm,perfect for professional and DIY projects.

High quality– Made of durable 10.9 grade alloy steel metric bolts, nuts and washers assorted kit with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Weatherproof design maintains hardness and good rust resistance for indoor/light outdoor use.Perfect for demanding applications requiring strength and reliability.

Organized & PortableThe hex socket button head bolt assortment sets are neatly packed in a sturdy plastic storage box, ensuring easy organization and quick access. The metric machine assortment kit includes M2 M3 M4 M5 sizes for convenient use.Compact design fits in tool bags—great for pros or as a gift.

Wide ApplicationsKeep a set of commonly used small screw hardware kit at hand. Whether you are working on DIY projects, small projects repair, or professional construction, it can meet your needs at any time, making your work more convenient and efficient.

Brand Guarantee Backed by rigorous quality control, Fgruh guarantees reliable metric screw for your projects. Enjoy peace of mind with our 24-month warranty and dedicated customer support.