TriMas (TRS) 10-K 2003 FY Annual report

                                                                    EXHIBIT 32.1


                                  CERTIFICATION
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
              (CHAPTER 63, TITLE 18 U.S.C. SECTION 1350(A) AND (B))


Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Chapter 63, Title 18
U.S.C. Section 1350(a) and (b)), the undersigned hereby certifies in his
capacity as an officer of TriMas Corporation (the "Company") that the Annual
Report of the Company on Form 10-K for the period ended December 31, 2004 fully
complies with the requirements of Section 13(a) of the Securities Exchange Act
of 1934, as amended, and that the information contained in such report fairly
presents, in all material respects, the financial condition and results of
operations of the Company at the end of and for the periods covered by such
Report.

Date: March 26, 2004                  /s/ Grant H. Beard
                                      ----------------------------------------
                                      Grant H. Beard
                                      Chief Executive Officer


This certification will not be deemed filed for purposes of Section 18 of the
Exchange Act (15 U.S.C. 78), or otherwise subject to the liability of that
section. Such certification will not be deemed to be incorporated by reference
into any filing under the Securities Act or the Exchange Act, except to the
extent that the registrant specifically incorporates it by reference.