does anyone know, i have tried searching and cannot find it 
Toyota dealer? They are probably pretty cheap and will (hopefully!) stand up to the heat better.Annihilation said:home depot
Ya, you are correct. 10mm might be more like it. And maybe even more like 8mm of actual thread.UMjaxman said:definetly not 15mm long, i think they are 10mm. the ones i bought at lowes tonight were 12mm long and they were longer than stock ones.
Good stuff! I didn't realize anyone else actually knew that.ward spose said:Thread should be measured from the bottom of the bolt to the end of the thread.
When you replace most of your visible hardware with Stainless Allen head bolts you learn alot about how to measure hardware.Brad Bedell said:Good stuff! I didn't realize anyone else actually knew that.I figured someone would argue that the bolts were actually 12mm bolts and not 8mm.