I was just reading a new book on fasteners, bolts etc. They mentioned the heli-coil and said that they should equal the original thread in strength. Also you can relieve stress on it by using a stud.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!