EXHIBIT 16.1 March 29, 2004 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Gentlemen: We have read Item 4 of Form 8-K dated March 29, 2004, of Federal Screw Works and are in agreement with the statements contained in Item 4(a)(i), 4(a)(ii), 4(a)(iv) and 4(a)(v) on pages two and three therein. We have no basis to agree or disagree with other statements of the registrant contained therein. /s/ Ernst & Young LLP