That is not Hammer, they didn't do that kind of movie. I am pretty sure without looking it up yet that is Tales From the Crypt by Amicus.
That was it, adapations of EC comic book stories from later Mad Magazine publisher and basically a plagarized version (because when it appeared in the comic book they didn't acknowlege the source) of W.W. Jacobs' The Monkey's Paw.
SPOILER WARNING
THE REASON HE WAS SCREAMING HE HAD ALREADY BEEN EMBALMED.