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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FBbT7E+rlDrCDeFQ2Acu//DpAjnorgNsXwjuDqNSzC6owjux7b6dwNAV6EP97jYp
 YqizefJp7QB7N1NDV65A/g==

<SEC-DOCUMENT>0001209191-03-008141.txt : 20030619
<SEC-HEADER>0001209191-03-008141.hdr.sgml : 20030619
<ACCEPTANCE-DATETIME>20030619124942
ACCESSION NUMBER:		0001209191-03-008141
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030618
FILED AS OF DATE:		20030619

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ILLINOIS TOOL WORKS INC
		CENTRAL INDEX KEY:			0000049826
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL INDUSTRIAL MACHINERY & EQUIPMENT [3560]
		IRS NUMBER:				361258310
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3600 W LAKE AVE
		CITY:			GLENVIEW
		STATE:			IL
		ZIP:			60025-5811
		BUSINESS PHONE:		8476574106

	MAIL ADDRESS:	
		STREET 1:		3600 WEST LAKE AVENUE
		CITY:			GLENVIEW
		STATE:			IL
		ZIP:			60025-5811

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BIRCK MICHAEL J
		CENTRAL INDEX KEY:			0001012910
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04797
		FILM NUMBER:		03749879

	BUSINESS ADDRESS:	
		STREET 1:		TELLABS OPERATIONS INC
		STREET 2:		4951 INDIANA AVENUE
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
		BUSINESS PHONE:		6305274598

	MAIL ADDRESS:	
		STREET 1:		MOLEX INC
		STREET 2:		2222 WELLINGTON COURT
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>boc77810_01mjb.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-18</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000049826</issuerCik><issuerName>ILLINOIS TOOL WORKS INC</issuerName>        <issuerTradingSymbol>ITW</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001012910</rptOwnerCik><rptOwnerName>BIRCK MICHAEL J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value><footnoteId id="F1" /></securityTitle><transactionDate><value>200
3-03-18</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>175</value></transactionShares><transactionValue><value>67.10</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12096</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Phantom Stock</value><footnoteId id="F2" /></securityTitle><conversionOrExercisePrice><value>0</value></conversionOrExercisePrice><transactionDate><value>1996-08-02</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactio
nCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2159</value></transactionShares><transactionValue><value>1.00</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value></exerciseDate><expirationDate><value>1988-08-08</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>2159</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2159</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">Deferred Stock Under the ITW-Non-Officers Directors Fee Conversion Plan </footnote><footnote id="F2">Represents Units of Ph
antom Stock under the Phantom Stock Plan for Non-Officer Directors.  Each unit is equal in value to one share of Common Stock.  The Units are not transferable and have no voting rights.  Additional Units are credited in amounts equivalent to cash dividends paid on the Common Stock.</footnote></footnotes><ownerSignature><signatureName>Michael J. Birck by S. S. Hudnut, Sr. V.P., Gen. Counsel &amp; Secretary   Attorney-In-Fact   Power of Attorney on File</signatureName><signatureDate>2003-06-19</signatureDate></ownerSignature></ownershipDocument>

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