Product Details:Material: Carbon SteelM3x6/8/12/16/20(D*H) thread size, 30pcs of each size160pcs Nut1pcs WrenchPackage Content: 310pcs x Hex Socket Head Cap Bolts Screw KitMaterial - With carbon steel material with a blackening treatment, is of stronger durability, has a bright appearance, is not easier to deform or corrode, and has a long service life than other surface finishes.Feature -This bolt kit thread is very smooth, sharp, and accurate. Uniform force, located in the center of the head with no offset, not easy to slipApplication -Widely used in furniture, household items, industry, construction, machines, motorcycles, equipment repair, and other DIY projects. For appliance maintenance and replacement in homes, shops, garages, and other small repair shops to replace damaged and missing screws.
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