Aim at providing a long lasting happy user experience, which begins with minimalist design, top material & exquisite workmanship. These 12.9 tensile strength screws have reached a high standard and are made to be reliable! Correct fastener for very sturdy installation, that’s how it helps!SPECIFICATION TABLEFastener Type: Machine ScrewMaterial: SCM435 Alloy SteelMaterial Class: 12.9(Minimum Tensile Strength: 1220MPa, Yield Strength 1098MPa)Head Type : Hex Socket HeadColor: Black(Oxide finishing, anti-corrosion, rustless, non-pollution)Hardness: 39-44HRCHeat Resistant: 800℃DECENT QUALITYSocket Head Cap screws are ideal for precision work with close tolerances and applications needing a well tooled appearance. Socket Head Cap screws supply greater tensile strength than equivalent Hex Head Caps screws, while requiring less surface area to counterbore.WHERE IT CAN BE USED?12.9 grade alloy steel fixing component, industrial and construction fasteners. Ideal fasteners for home and office appliance, communication equipment, ship assembly and other machinery industry. Used widely in mounting engine, 3d printed things, license plates, RC airplane and car, GoPro attachments, etc. Think about how to use it today!PACKAGE LIST20 * M5 x 20mm Screws (Class A)
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