Exhibit 32.2

                          CERTIFICATION PURSUANT TO
                           18 U.S.C. SECTION 1350,
                     AS ADOPTED PURSUANT TO SECTION 906
                      OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the Annual Report of Mueller Industries, Inc. (the
"Company") on Form 10-K for the period ending December 29, 2007 as filed
with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Kent A. McKee, Chief Financial Officer of the Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully complies with the requirements of Section 13(a) or
         15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of
         operations of the Company.

                                       /s/ Kent A. McKee
                                       Kent A. McKee
                                       Chief Financial Officer
                                       February 26, 2008

































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