Exhibit 31.4

I, Frank P. Simpkins, certify that:

1. I have reviewed this Form 10-K/A Amendment No. 1 to Form 10-K of Kennametal Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

/s/ Frank P. Simpkins

Frank P. Simpkins

Vice President and Chief Financial Officer

October 31, 2012