H&R offers a large selection of specialty wheel tightening bolts and lug nuts, available with a multitude of thread sizes and seat types. Lug nuts and bolts may be used as replacement parts or with other H&R products. And, it’s always a good idea to have a couple extras on hand. Application Summary: Quantity Sold: Each Thread Type: 12 X 1.5 Thread Length: 35mm Seat Type: Tapered Head: 17mm