<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-Q FOR THE FISCAL QUARTER ENDED JUNE 24, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<CIK> 0000089439
<NAME> MUELLER INDUSTRIES, INC.
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-30-2000
<PERIOD-END>                               JUN-24-2000
<CASH>                                         136,985
<SECURITIES>                                         0
<RECEIVABLES>                                  203,396
<ALLOWANCES>                                     5,021
<INVENTORY>                                    130,224
<CURRENT-ASSETS>                               476,298
<PP&E>                                         496,658
<DEPRECIATION>                                 146,223
<TOTAL-ASSETS>                                 946,067
<CURRENT-LIABILITIES>                          161,586
<BONDS>                                        112,220
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           401
<OTHER-SE>                                     603,153
<TOTAL-LIABILITY-AND-EQUITY>                   946,067
<SALES>                                        630,933
<TOTAL-REVENUES>                               630,933
<CGS>                                          474,307
<TOTAL-COSTS>                                  474,307
<OTHER-EXPENSES>                                67,391
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,923
<INCOME-PRETAX>                                 89,267
<INCOME-TAX>                                    32,939
<INCOME-CONTINUING>                             56,328
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    56,328
<EPS-BASIC>                                     1.63
<EPS-DILUTED>                                     1.46