Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  SANTI ERNEST SCOTT
 2. Date of Event Requiring Statement (Month/Day/Year)
10/29/2004		 3. Issuer Name and Ticker or Trading Symbol
ILLINOIS TOOL WORKS INC [ITW]
(Last)
(First)
(Middle)
ILLINOIS TOOL WORKS INC., 3600 WEST LAKE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive V.P.
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GLENVIEW, IL 60026		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock (1) (2) 7,500
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (3) 12/12/1998 12/12/2007 Common Stock 5,000 $ 54.62 D  
Employee Stock Option (3) 12/11/1999 12/11/2008 Common Stock 5,000 $ 58.25 D  
Employee Stock Option (3) 12/17/2000 12/17/2009 Common Stock 6,000 $ 65.5 D  
Employee Stock Option (3) 12/15/2001 12/15/2010 Common Stock 15,000 $ 55.875 D  
Employee Stock Option (3) 12/14/2002 12/14/2011 Common Stock 12,000 $ 62.25 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
SANTI ERNEST SCOTT
ILLINOIS TOOL WORKS INC.
3600 WEST LAKE
GLENVIEW, IL 60026		       Executive V.P.  

Signatures

E. Scott Santi by S. S. Hudnut, Sr. V.P., Gen. Counsel & Secretary Attorney-In-Fact POA on File 11/02/2004
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes Grant of Restricted Stock Vesting Over 3 Year Period 12/16/2003, 12/16/2004, 12/16/2005.
(2) Includes Grant of Restricted Stock Vesting Over 3 Year Period 12/16/2004, 12/16/2005, 12/18/2006.
(3) Options vest in four equal annual installments beginning one year from date of grant.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.