10PCS Toilet Seat Screws, 3/8 Inch Bolts for Kohler K-84999 K-85040

Compatibility:Designed for select one-piece toilets Compatible for Kohler, including San Raphael, Rialto, Rosario, San Martine, and similar top-mount seats. These toilet seat screws work with toilet seat bolts replacement needs. | Replacement:This kit helps replace worn, loose, or missing K-84999 and K-85040 style anchors. The toilet seat nuts and toilet seat hardware fit 3/8 inch ceramic mounting holes on compatible toilet seats. | Function:The rubber anchor nuts expand inside the mounting holes as the toilet seat screws are tightened. The toilet lid screws help secure the seat hinge to reduce loose movement during daily use. | Installation:Top-mount design allows installation from above the toilet bowl. Insert the toilet seat bolts with rubber anchors, align the hinge, and tighten the toilet seat nuts until the seat is firmly positioned. | Package:Includes 10PCS toilet seat hardware parts for seat mounting repair and backup use. Suitable for replacing toilet lid screws, rubber anchor nuts, and washers on compatible one-piece toilet seats.