This is a pack of five (5) round, weld nuts for many different GM vehicles. These are copper flashed and unthreaded nuts. These nuts are made to be welded on and then tapped. The hole is sized for an M10 tap. The overall width of the nut is 30mm. You will receive 5 of these nuts per order. (Contact us for a bulk pricing if you want to purchase a lot of these bolts)

Nut Diameter: 30mm

Hole Diameter: 10mm for M10 thread size

GM Part # 20423251