Description Hexagon screws are commonly used in mechanical mainly for easy fastening demolition not easy toslip angle and other advantages mainly used in electronics electrical electric electric power chemical industry water conservancy mechanical equipment furniture and other fields Specifications Brand SuleveModel M4AH2Material 12 9 grade Alloy SteelSurface Titanium PlatedColor GoldScrew Length 10mmThread M4 4mm Drive Type HexHead Style Flat Head Features 1 Made of 12 9 grade Alloy Steel super high hardness and tensile strength 2 Suitable for textile hydraulic injection molding machinery industry 3 Also used for FPV RC Package Included 50 x Hex Flat Head Screws