Police say it happened at D.L. Martin Inc. on 25 D.L. Martin Drive last Friday.
They say the thieves took a barrel containing carbide inserts valued at $2,000.
The two suspects are described as an older and younger male, driving a silver crew cab truck with a cap.
If you have any information regarding this crime, the Mercersburg Police Department are asking you to contact them at (717)-328-2221 or you can contact the Franklin County Crime Solvers at (717)-264-3000. Anonymity is assured; you do not need to give your name.