Total height of the hinge is 97mm and width is 65mm. The nut on the bottom is M8 and requires a 13mm spanner. 'toilet seat fittings’. There is more than one size of hinge that looks like these hinges.
eBay
EVA Waterproof Toilet Seat Cover Thickened Four Seasons Universal Toilet Seat Cushion Paste Type Household Toilet Accessories
Aliexpress UK
This kit will fit toilet pans with hinge holes upto 20mm. The stainless steel threaded rods included in this kit are designed to be used in the type of hinges where the rod/fitting screws directly into the bottom of your toilet hinge fitting.
eBay
Thick and Soft Washable Toilet Heater Accessories Winter Bathroom Pads Warm Toilet Seat Covers Toilet Pads with Handles
Aliexpress UK
Wooden Toilet Seat from Harbour Housewares. Available in a choice of colours, the lids of these seats feature a grooved design that brings a rich modern character to any interior. Installation is easy, with all necessary fixtures and fittings provided in the box.
eBay
Suitable for toilet seat upper buffer axis buffet seats low fuel controller,L24141
Aliexpress UK
Bottom Fixing Toilet Seat Fittings A pair of replacement bottom fixing toilet seat fittings - A pair of bottom fixing toilet seat fittings - These slot through your toilet pan holes and are fastened underneath the toilet using a supplied wingnut - Includes a pair of screws and wingnuts - Screw diameter = 6mm - Screw head diameter = 10mm - Screw length = 74mm - Please measure your pan holes to ensure these will fit before ordering.
eBay
Lawn Mower Seat cover Oxford Cloth Non Slip Anti Scratch Portable Durable Mower Cushion Seat Cover for Forklifts Fittings
Aliexpress UK
The top fixing design allows for easy installation without the need to access the underside of the toilet seat. With its durable rubber construction, these hinges are built to last and provide long-lasting functionality.
eBay
4 Piece Luxury Marble Bathroom Mat Set - Non-Slip Flannel Toilet Seat + 3 Floor Mats, Black Gold Modern Decor
Aliexpress UK
TRIXES Toilet Seat Hinges. Contains all necessary Hardware to mount the hinges. Two mounting positions to suit different size toilet suits. Suitable for Wood & MDF Seats. 2 Mounting Positions for different size seats.
eBay
1Pc Furniture Fittings Gold Brass Copper Cabinet Leg Cover Chair Feet Protector Sofa Leg Tube Metal Cup Furniture Leg Tip Cap
Aliexpress UK
WOLTU Soft Close Toilet Seat,Premium Toilet Seat Quick Release,Anti-Bacterial Loo Seat Top Fixed and Bottom Fixed, Duroplast,O Shape, Heavy Duty Toilet Seat, Modern Design. ✅[QUICK RELEASE TOILET SEAT]: Put both lid and seat in the vertical position on the toilet, then push the fixings into the holes of lid and seat.
eBay
1Pc Furniture Fittings Gold Brass Copper Cabinet Leg Cover Chair Feet Protector Sofa Leg Tube Metal Cup Furniture Leg Tip Cap
Aliexpress UK
Function: Screw for toilet seat installation.
eBay