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: #8-32 x 1-1/4"inchThread Diameter: #8Screw Length: 1-1/4"inchThread Pitch: 32PTIHead Diameter: 0.36inch(9mm)Hexagon Socket Width (Diagonal Width): 3/32""inchMaterial: Carbon 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.