CARAGO Toilet Seat Screws Fittings, 6 Pcs Universal Lid Hinges Bolts Fixing Top Nuts Screw for Mounting Hardware Seats WC Toilets Blind Hole.

Universal Size & Dimensions： The toilet seat fittings Fits most standard toilet seat with 14mm to 16mm blind holes. Screw dimensions: M5 x 48mm; Rubber nut length: 40mm; Top flange diameter: 22mm. Please measure your toilet hole diameter before purchasing to ensure a perfect fit. Package Content： You will receive 6-piece toilet seat screws: 6 x stainless steel screws, 6 x metal washers, and 6 x expanding black rubber well nut sleeves. Perfect set for replacing worn-out or loose toilet seat hinges. Expanding Anti-Slip Design： Engineered with rubber sleeves that expand when tightened inside the mounting hole. This creates a rock-solid anchor that prevents the toilet seat from shifting, loosening, or sliding over time. Premium Durable Materials： Made of stainless steel bolts and washers combined with rubber. Resistance to rust, corrosion, and moisture ensures stability and long-lasting performance in wet bathroom environments. Easy Top-Fixing Installation： Designed specifically for blind-hole WC toilets where bottom access is difficult. Simply insert the rubber expansion sleeve from above and tighten the screw with a screwdriver in minutes.