
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-27-1997
<PERIOD-START>                             DEC-29-1996
<PERIOD-END>                               JUN-28-1997
<CASH>                                             762
<SECURITIES>                                         0
<RECEIVABLES>                                   20,283
<ALLOWANCES>                                       704
<INVENTORY>                                     19,305
<CURRENT-ASSETS>                                44,267
<PP&E>                                          74,767
<DEPRECIATION>                                  35,172
<TOTAL-ASSETS>                                  85,682
<CURRENT-LIABILITIES>                           20,394
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         5,379
<OTHER-SE>                                      30,672
<TOTAL-LIABILITY-AND-EQUITY>                    85,682
<SALES>                                         34,185
<TOTAL-REVENUES>                                34,185
<CGS>                                           29,318
<TOTAL-COSTS>                                   33,175
<OTHER-EXPENSES>                                  (93)
<LOSS-PROVISION>                                    59
<INTEREST-EXPENSE>                                 491
<INCOME-PRETAX>                                    553
<INCOME-TAX>                                       213
<INCOME-CONTINUING>                                340
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       340
<EPS-PRIMARY>                                      .06
<EPS-DILUTED>                                      .06
        

</TABLE>
