<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                           4,450
<SECURITIES>                                         0
<RECEIVABLES>                                   35,487
<ALLOWANCES>                                       730
<INVENTORY>                                     29,419
<CURRENT-ASSETS>                                74,141
<PP&E>                                         185,841
<DEPRECIATION>                                  67,981
<TOTAL-ASSETS>                                 195,222
<CURRENT-LIABILITIES>                           23,461
<BONDS>                                         37,700
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        13,238
<OTHER-SE>                                     106,315
<TOTAL-LIABILITY-AND-EQUITY>                   195,222
<SALES>                                        134,481
<TOTAL-REVENUES>                               134,481
<CGS>                                          102,702
<TOTAL-COSTS>                                  119,891
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,373
<INCOME-PRETAX>                                 13,217
<INCOME-TAX>                                     4,875
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,342
<EPS-PRIMARY>                                      .63
<EPS-DILUTED>                                      .62