15Pcs Flat Head Socket Cap Screws-[1/4"-20X3-1/2"], 304 Stainless Bolts Silver

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: 15PcsSpecifications: 1/4"-20 x 3-1/2"mmThread Diameter: 1/4"Screw Length: 3-1/2"Thread Pitch: 20PTIHead Diameter: 0.53inch(13mm)Hexagon Socket Width (Diagonal Width): 5/32"Material: 304 Stainless SteelColor: SilverSurface Treatment: PlainTAKE NOTICE OF/TIPS:-For connections subjected to prolonged vibration, a regular inspection schedule should be established to ensure no signs of loosening are present.