The metal titans donated to Dublin's Capuchin day centre which helps provide for homeless people and the ISPCC for children.
The film, which is directed by Adam Dubin, is set to premiere on 20 April at AMC Kabuki 8 in San Francisco.
The special, one-off event is to mark the 20th anniversary of the metal titans' 1999 live LP, 'S&M.'
The seventh annual Metallica night with baseball’s San Francisco Giants will take place on 26 April.
An avid collector of classic horror and sci-fi movie posters, Hammett acknowledged his poster collection as a source of inspiration for his own musical creativity.
Metallica have revealed plans for 10 February to be named Cliff Burton Day in Alameda County, California, in honour of their late bassist
Metallica's forthcoming show at Band Together Bay Area is to be streamed online through the band's website, YouTube and other forums
Metallica guitarist Kirk Hammett's KHDK Electronics firm have teamed up with Chicago's Dark Matter Coffee to brew up Ghoul Screamer Coffee
Metallica have shared a previously unheard live version of For Whom The Bell Tolls recorded in 1986 from their classic album Master Of Puppets
Metallica and iconic maker of Slinky guitar strings Ernie Ball are partnering in a new venture, the 'Hetfield + Hammett Experience' at Metallica HQ
Monsters movie posters from a collection owned by Metallica guitarist Kirk Hammett are on display at a Massachusetts museum until November 2017
Metallica have said their new Beats 1 show on Apple Music featuring interviews with drummer Lars Ulrich is "unlike anything fans have ever heard"