4 Pcs Toilet Seat Hinge Fixings, Toilet Lid Expansion Screws Toilet Lid Fixing Toilet Seat Screws Set, Toilet Lid Replacement Parts

Size: Black expansion ball diameter: 1.8cm (unexpanded state) Length: 4 cm. White screw size: 4.5 x 0.5 cm. Nylon expansion nut size: 3.7 x 1.8 cm. Washer Diameter: 1.4 (The detailed size of each toilet seat nut is in the picture, please measure before purchasing to ensure your toilet seat works well)Excellent Material: The expandable ball is made of black rubber, the white screw with solid brass thread inside is made of nylon, the long screws and gaskets are made of 304 stainless steel, the soft washers are made of ABS plastic. Sturdy and durable, anti-rust and corrosion resistant, better than most plastic fasteners. Anti-rust design: plastic washers will not rust, better than metal washers.When you tighten the bolts the washers squeeze into the holes, you need to be careful not to tighten the bolt so much that it pushes through the washer. The screw has a solid brass thread inside that is non-slip and rust-proof.Easy to use: Place the toilet seat bolts into the toilet mounting holes. The rubber grommets have a threaded section so you can simply push them into the holes in the top of the toilet bowl and when you tighten the screw it expands and tightens into the hole, without the need for a bolt on the other end of the screw. Convenience and time saving.Universal: 2pcs/4pcs toilet seat replacement parts. If your toilet seat continues to move, please use these toilet seat fixing screws to replace the unnecessary plastic inserts that come with a new seat top fixing.Toilet seat fittings fit most standard toilet seats with top fixing hinges, toilet seat hole 14-18mm.Product DescriptionFeatures: Fits most standard toilet seats. Suitable for 14-18mm hole for toilet seats, universal uses. Specifications: Material: rubber, ABS, stainless steel, nylon. Dimensions: as shown in the image. Quantity: 2 pieces/4 pieces. How to install toilet seat hinges? 1. First insert the rubber nut into the holes. 2. Insert the screws through the washer and the plastic plate into the rubber expansion nut. 3. Tighten the screw and cover the stainless steel base. 4. Align the pin and insert it into the hole in the toilet lid. Note: The detailed size of each toilet seat nut is in the picture.Please measure before purchasing to ensure your toilet seat works well