The reigning champions will appear in their fourth decider in a row.
A last minute point from Charlie Mitchell earned Kilcormac Killoughey a place in their fourth Offaly Senior Hurling Final in a row.
The reigning champions saw off the challenge of Birr on a scoreline of 0-24 to 1-20 in O’Connor Park on Saturday.
Mitchell’s 64th minute point was his fifth of the game, with Adam and Jack Screeney also contributing 0-8 from play.
Despite a first half goal from Ailbhe Watkins and 0-8 from Eoghan Cahill, it wasn’t enough for Birr to secure a win.
KK wil now face Shinrone in the decider in two weeks.
Match winner Mitchell says his side will benefit from having a tough semi-final:
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