VEVOR Universal Lawn Tractor Seat Replacement, Compact High Back Mower Seat, Black Vinyl Forklift Seat, Central Drain Hole Skid Steer Seat with Mounting Bolt Patterns of 8\" x 11.5\" & 11.25\" x 11.5\

Yes. The bottom mounting hole has a nut welded to it, so it can be installed directly with screws

This product has a plastic frame, not a steel frame.

Please look at the hole position. Under normal circumstances it is ok, this one has a lot of hole positions.

Hello, we are very sorry for the inconvenience, due to the lack of prototype for the time being, our technicians can not verify your question in time to give an accurate answer,you can refer to the product detail page/manual for more information, thank you for your understanding.

The specifications of the nuts embedded in the bottom of the seat are as follows: four-claw nut M8*1.25---m=9.5 (m represents the nut height); 1.25 represents the tooth pitch.