What is this?These knurled thumb screws are widely used in mechanical equipment, communication industry, marine industry, automotive and lighting industries. They are reliable fasteners for various purposes. They are mainly used in DIY projects, electronic equipment, mechanical parts, decorative products, etc. These knurled screws are easy to install and can be firmly fixed on various components.What will I get?Flat thumb screwThread Size: M4x16mm/M4x0.63inch(DxL)Head Size: 12x8mm/0.47x0.31inch(DxT)Material: Carbon SteelSurface Treatment: GalvanizedColor: SilverIn the package of: 40 x ThumbscrewAre there any advantages of the product?The knurled thumb screw is made of carbon steel with a zinc-plated surface. It has a beautiful appearance, good rust and oxidation resistance, wear resistance, no deformation, and a long service life.
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