Product Details:Color: BlackMaterial: Carbon SteelFinish: Black OxidePackage Content: 50pcs x Button Hex Socket Cap Screw Bolt and Nut Assortment Kit Button Hex Socket Cap Screw: 10pcs x M4-0.7x30mm, 10pcs x M4-0.7x35mm, 10pcs x M4-0.7x40mm, 10pcs x M4-0.7x45mm, 10pcs x M4-0.7x50mmMaterial - Constructed with carbon steel material with black oxide treatment, these button hex socket cap screws bolts nuts assortment kit of stronger durability, have a bright appearance, are not easier to deform or corrode and have a long service life than other surface finishes.Feature - The button socket head cap screw is designed with an inner hex drive style and pan head, providing a higher torque and clamping force, as well as offering a wider bearing surface and high tensile strength.
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