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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 H3V8d2ttZZFmnDMx7syP9vv2wWEEKW2ILXf2eFutD449VDAIjpnOxj9g0x9xJLS3
 B4Ddzhfhc/dZ7rArb6/cIw==

<SEC-DOCUMENT>0001245031-03-000017.txt : 20030702
<SEC-HEADER>0001245031-03-000017.hdr.sgml : 20030702
<ACCEPTANCE-DATETIME>20030702172516
ACCESSION NUMBER:		0001245031-03-000017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RENSI EDWARD H
		CENTRAL INDEX KEY:			0001169366

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07724
		FILM NUMBER:		03772988

	BUSINESS ADDRESS:	
		STREET 1:		8400 KEARNEY ROAD
		CITY:			DOWNERS GROVE
		STATE:			IL
		ZIP:			60516

	MAIL ADDRESS:	
		STREET 1:		8400 KEARNEY ROAD
		CITY:			DOWNERS GROVE
		STATE:			IL
		ZIP:			60516

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SNAP ON INC
		CENTRAL INDEX KEY:			0000091440
		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
		IRS NUMBER:				390622040
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10801 CORPORATE DRIVE
		CITY:			KENOSHA
		STATE:			WI
		ZIP:			53141-1430
		BUSINESS PHONE:		4146565200

	MAIL ADDRESS:	
		STREET 1:		10801 CORPORATE DRIVE
		CITY:			KENOSHA
		STATE:			WI
		ZIP:			53141

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SNAP ON TOOLS CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-30</periodOfReport>
    <issuer>
        <issuerCik>0000091440</issuerCik>
        <issuerName>SNAP ON INC</issuerName>
        <issuerTradingSymbol>SNA</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001169366</rptOwnerCik>
            <rptOwnerName>RENSI EDWARD H</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></securityTitle><transactionDate><value>2003-06-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionAmounts><transactionShares><value>43</value></transactionShares><transactionValue><value>29.03</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12985.926</value><footnoteId id="F2"/><footnoteId id="F3"/><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnersh
ip><value/></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">Payment of fees in stock under the Corporation's Directors' 1993 Fee Plan.</footnote><footnote id="F2">Includes 103.643 shares acquired in June 2003 under the Corporation's Dividend and Direct Stock Purchase Plan.</footnote><footnote id="F3">The reporting person also directly owns the following stock options to purchase shares of Snap-on Incorporated common stock: (i) 1,101 shares at $24.84 per share (exercisable 4/22/94 and expiring 4/22/04); (ii) 1,500 shares at $24.84 per share (exercisable 4/28/95 and expiring 4/28/05); (iii) 3,000 shares at $31.92 per share (exercisable 4/26/96 and expiring 4/26/06); (iv) 3,000 shares at $37.25 per share (exercisable 4/25/97 and expiring 4/25/07); (v) 3,000 shares at $43.6875 per share (exercisable 4/24/98 and expiring 4/24/08); (vi) 3,000 shares at $31.938 per share (exercisable 4/23/99 and expiring 4/23/09); (vii) 3,000 shares at $26.4375 per share (exercisable 4/28/0
0 and expiring 4/28/10); (viii) 3,000 shares at $29.36 per share (exercisable 4/27/01 and expiring 4/27/11); (ix) 3,000 shares at $32.08 per share (exercisable 4/25/02 and expiring 4/25/12); and (x) 3,000 shares at $28.43 per share (exercisable 4/24/03 and expiring 4/24/13).</footnote><footnote id="F4">The reporting person also directly owns 5,143.057 deferred stock units.  These deferred stock units are convertible on a 1 for 1 basis into shares of Snap-on Incorporated common stock.  This total includes 41.105 deferred stock units acquired in June 2003 through exempt dividend reinvestments.  These units are scheduled for issuance in lump sum after the earliest of August 15, 2014 or upon death or retirement from the Board.</footnote></footnotes><ownerSignature><signatureName>Jason D. Bartel under Power of Attorney for Edward H. Rensi</signatureName><signatureDate>2003-07-02</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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