<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-Q FOR THE FISCAL PERIOD ENDED JUNE 27, 1998 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-26-1998
<PERIOD-END>                               JUN-27-1998
<CASH>                                          87,914
<SECURITIES>                                         0
<RECEIVABLES>                                  139,594
<ALLOWANCES>                                     3,488
<INVENTORY>                                     98,401
<CURRENT-ASSETS>                               335,622
<PP&E>                                         384,725
<DEPRECIATION>                                 100,037
<TOTAL-ASSETS>                                 655,230
<CURRENT-LIABILITIES>                          109,319
<BONDS>                                         45,172
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           400
<OTHER-SE>                                     460,215
<TOTAL-LIABILITY-AND-EQUITY>                   655,230
<SALES>                                        452,519
<TOTAL-REVENUES>                               452,519
<CGS>                                          348,975
<TOTAL-COSTS>                                  348,975
<OTHER-EXPENSES>                                47,527
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,543
<INCOME-PRETAX>                                 57,578
<INCOME-TAX>                                    18,603
<INCOME-CONTINUING>                             38,975
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    38,975
<EPS-PRIMARY>                                     1.11
<EPS-DILUTED>                                     0.98