Everything Bisch says but, I am sure Big Jims glue is great but I used hot melt on my CX Heritage shafts and did not work. Someone told me to look for High Temp hot glue . I've found it everywhere builders supplies,horbor freight,etc. just look for the amber color not the milky stuff. I also prep my shaft with brass rifle cleaning brush,acetone ,but the last thing is I keep a bottle of cool water close. When I get the insert in I dip it to give it a quick cool seams to set the glue,works for hot west Texas 3D shoots. Bob