Yes. Spot welded. Also looked at my new cab and it is spotwelded. Lots of spotwelds. Should be able to drill those out pretty easily. Easy access and lots of room. I have an extra high hump cover too if you need that as well.
~ HB 1966 Chevrolet K-10 | Ghost: formerly Flappy Fenders | In the Stovebolt Gallery 1962 Chevrolet C10 1962 Suburban