50Pcs Flat Head Socket Cap Screws-[#4-40X1/2"], 304 Stainless Bolts Black

APPLICATION:-This flat-head hex socket screw is widely applicable for furniture assembly, vehicle maintenance, machinery debugging, and other scenarios requiring a flush mounting surface.ABOUT THIS PRODUCTS/FEATURES:-The screw head features an internal hexagon combined with a countersunk design. The internal hex socket structure, when paired with a standard hex wrench, efficiently transmits torque, reduces slippage, and enhances installation precision and efficiency.SPECIFICATION:Quantity: 50PcsSpecifications: #4-40 x 1/2"mmThread Diameter: #4Screw Length: 1/2"Thread Pitch: 40PTIHead Diameter: 0.26inch(6mm)Hexagon Socket Width (Diagonal Width): 1/16"Material: 304 Stainless SteelColor: BlackSurface Treatment: Black OxideTAKE NOTICE OF/TIPS:-For connections subjected to prolonged vibration, a regular inspection schedule should be established to ensure no signs of loosening are present.