This seems pointless you can buy a cheap propane screw on stove burner from Walmart.
A) why take the chance to damage your butane camping stove
B) propane has less BTUs then butane
C) many times the jetting is slightly different on propane to butane stove.
Any how seeing the second page and the damaged stoves. Seems totally not work it.
Good luck
Any how seeing the second page and the damaged stoves. Seems totally not work it. Good luck