UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

               CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                      THE SECURITIES EXCHANGE ACT OF 1934

                                 July 13, 2004
                Date of Report (Date of earliest event reported)

                            MUELLER INDUSTRIES, INC.
             (Exact name of registrant as specified in its charter)

                         Commission File Number 1-6770

          Delaware                                    25-0790410
(State or other jurisdiction of                    (I.R.S. Employer
incorporation or organization)                    Identification No.)



                        8285 Tournament Drive, Suite 150
                            Memphis, Tennessee 38125
                    (Address of principal executive offices)
                                   (Zip Code)

                                 (901) 753-3200
              (Registrant's telephone number, including area code)


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Item 7. Financial Statements and Exhibits.

      (c) Exhibits.

            99.1  Press release dated July 13, 2004 reporting second quarter
                  2004 earnings.

Item 12. Results of Operations and Financial Condition.

      On July 13, 2004, Mueller Industries, Inc. issued a press release
announcing earnings for the quarter ended June 26, 2004. A copy of the press
release is attached as Exhibit 99.1.


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                                   SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report to be signed on its behalf
by the undersigned hereunto duly authorized, on July 13, 2004.

                                            MUELLER INDUSTRIES, INC.


                                            /s/ KENT A. MCKEE
                                            -----------------------
                                            Kent A. McKee
                                            Vice President and
                                            Chief Financial Officer


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                                  EXHIBIT INDEX

   Exhibit Number                          Description
   --------------                          -----------
        99.1                        Press Release dated July 13, 2004


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