About this item 【4 Sizes Metric Screw Set】This 1760pcs screws kit includes M2-0.4, M3-0.5, M4-0.7, M5-0.8 sizes with precise thread diameters (2mm/3mm/4mm/5mm) and Lenths of the bolts M3x6mm/8mm/10mm/12mm, M4x8mm/10mm/16mm/20mm, M5x10mm/16mm/20mm/30mm, M6x16mm/25mm/35mm. According with standardized metric system. And the average error is less than 0.01mm. 【Perfect for DIY Projects】 This hex socket head screw assorted kit are ideal for hobbyists working with 3D printing, electronics, RC models, DIY repairs, chair replacement and CNC machinery, offering precision for intricate designs. 【Premium 12.9 Grade Alloy Steel】- This machine screw assortment kit are crafted from high-strength 12.9 grade alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments. 【Organized Storage Box 】- The M2 M3 M4 M5 allen head screws set comes in a compartmentalized case with clear labels for quick access to bolts, washers, and nuts. Keeps your workspace tidy and speeds up project progress, making every job smoother. 【Wide Applications】Keep a set of commonly used Fgruh metric hardware assortment at hand. Whether you are working on DIY projects, bicycle repairs, or professional construction, it can meet your needs at any time, making your work more convenient and efficient. Overview Size: M2M3M4M5 1760pcs Color: Black-Hex Socket Head Cap Material: 12.9 Grade Aolly Steel Brand: Fgruh Item dimensions L x W x H: 8.19 x 5.12 x 1.5 inches
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