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: 25PcsSpecifications: 1/4"inch-20 x 1-1/4"inchThread Diameter: 1/4"Screw Length: 1-1/4"inchThread Pitch: 20PTIHead Diameter: 0.53inch(13mm)Hexagon Socket Width (Diagonal Width): 5/32"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.
