<SEC-DOCUMENT>0001723211-19-000028.txt : 20190731
<SEC-HEADER>0001723211-19-000028.hdr.sgml : 20190731
<ACCEPTANCE-DATETIME>20190731171841
ACCESSION NUMBER:		0001723211-19-000028
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190729
FILED AS OF DATE:		20190731
DATE AS OF CHANGE:		20190731

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Watson Patrick S
		CENTRAL INDEX KEY:			0001700266

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05318
		FILM NUMBER:		19989769

	MAIL ADDRESS:	
		STREET 1:		SUITE 5100
		STREET 2:		600 GRANT STREET
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KENNAMETAL INC
		CENTRAL INDEX KEY:			0000055242
		STANDARD INDUSTRIAL CLASSIFICATION:	MACHINE TOOLS, METAL CUTTING TYPES [3541]
		IRS NUMBER:				250900168
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		600 GRANT STREET
		STREET 2:		SUITE 5100
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4122488000

	MAIL ADDRESS:	
		STREET 1:		600 GRANT STREET
		STREET 2:		SUITE 5100
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-07-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000055242</issuerCik>
        <issuerName>KENNAMETAL INC</issuerName>
        <issuerTradingSymbol>KMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001700266</rptOwnerCik>
            <rptOwnerName>Watson Patrick S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SUITE 5100</rptOwnerStreet1>
            <rptOwnerStreet2>600 GRANT STREET</rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15219</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1330</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16431.88</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>847</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17278.88</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>620</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17898.88</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 1,330 shares deemed to have been earned by the Compensation Committee on July 29, 2019, with respect to the third tranche of the Performance Unit Award granted to the reporting person on August 1, 2016, under the Amended and Restated Kennametal Inc. Stock and Incentive Plan of 2010 (the &quot;2016 Performance Unit Award&quot;.) The vesting and actual payout of these shares remains subject to the reporting person's continued employment with the Company through August 1, 2019.</footnote>
        <footnote id="F2">Represents 847 shares deemed to have been earned by the Compensation Committee on July 29, 2019, with respect to the second tranche of the Performance Unit Award granted to the reporting person on August 1, 2017, under the Kennametal Inc. Stock and Incentive Plan of 2016 (the &quot;2017 Performance Unit Award&quot;.) The vesting and actual payout of these shares remains subject to the reporting person's continued employment with the Company through August 1, 2020.</footnote>
        <footnote id="F3">Represents 620 shares deemed to have been earned by the Compensation Committee on July 29, 2019, with respect to the first tranche of the Performance Unit Award granted to the reporting person on August 1, 2018, under the Kennametal Inc. Stock and Incentive Plan of 2016 (the &quot;2018 Performance Unit Award&quot;.) The vesting and actual payout of these shares remains subject to the reporting person's continued employment with the Company through August 1, 2021.</footnote>
        <footnote id="F4">Includes 311.88 shares held in the Kennametal Inc. 401(k) Plan and a total of 5,957 shares of Performance Unit shares not yet distributed.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Michelle R. Keating</signatureName>
        <signatureDate>2019-07-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
