<SEC-HEADER>0001209191-07-059169.hdr.sgml : 20071022
<ACCEPTANCE-DATETIME>20071022153144
<ACCESSION-NUMBER>0001209191-07-059169
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20071018
<FILING-DATE>20071022
<DATE-OF-FILING-DATE-CHANGE>20071022
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ILLINOIS TOOL WORKS INC
<CIK>0000049826
<ASSIGNED-SIC>3560
<IRS-NUMBER>361258310
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>3600 W LAKE AVE
<CITY>GLENVIEW
<STATE>IL
<ZIP>60025-5811
<PHONE>8476574106
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3600 WEST LAKE AVENUE
<CITY>GLENVIEW
<STATE>IL
<ZIP>60025-5811
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>ALDINGER WILLIAM F III
<CIK>0001074607
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-04797
<FILM-NUMBER>071183128
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>150 N MICHIGAN AVE
<CITY>NEW YORK
<STATE>NY
<ZIP>60601
<PHONE>847-657-4929
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>3600 W. LAKE AVENUE
<CITY>GLENVIEW
<STATE>IL
<ZIP>60026-1215
</MAIL-ADDRESS>
</REPORTING-OWNER>
</SEC-HEADER>
