50Pcs M4 Socket Head Cap Screws Bolt Nut Kit, Alloy Steel With Wrench

APPLICATIONUsed for assembly, connecting various components, such as screws, nuts and bolts. Producing mechanical parts: shafts, spindles, sprocket assemblies; high pressure and high heat structural applications: engine brackets, landing gear, power transmission, etc. They ensure stability by connecting furniture frames, supports and structures. In addition, fasteners help adjust the position of furniture components for precise alignment during installation.ABOUT THIS PRODUCTS-Carbon steel materials are high in hardness, are not easy to deform, and are durable.-Specially treated surface, simple, beautiful, and practical appearance.-Performs well in low-humidity environments and hexagonal socket head type, uniform force is not easy to slip.-A variety of sizes are available to meet a variety of uses.-A versatile and reliable choice for a variety of industrial and commercial applications.SPECIFICATIONColor: BlackHead Style: Hex HeadMaterial: Carbon SteelSurface Treatment: Black OxidePerformance Grade:12.9Thread size: M4x20/25/30/35/40mmPackage: 50 packs of socket head cap screws bolts nuts kitPlease refer to the pictures for specific products and sizesNOTE-Before purchase, confirm correct size needed. Use caliper,gauge checker for measurement; avoid ruler or tape measure.