<SEC-DOCUMENT>0001723211-20-000019.txt : 20200729
<SEC-HEADER>0001723211-20-000019.hdr.sgml : 20200729
<ACCEPTANCE-DATETIME>20200729120132
ACCESSION NUMBER:		0001723211-20-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200727
FILED AS OF DATE:		20200729
DATE AS OF CHANGE:		20200729

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:		201056412

	MAIL ADDRESS:	
		STREET 1:		525 WILLIAM PENN PLACE
		STREET 2:		33RD FLOOR
		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:		525 WILLIAM PENN PLACE
		STREET 2:		SUITE 3300
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219
		BUSINESS PHONE:		4122488000

	MAIL ADDRESS:	
		STREET 1:		525 WILLIAM PENN PLACE
		STREET 2:		SUITE 3300
		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>2020-07-27</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>525 WILLIAM PENN PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>33RD FLOOR</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>2020-07-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1334</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14470.08</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 1,334 shares deemed to have been earned by the Compensation Committee on July 27, 2020, with respect to the third 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="F2">Includes 320.08 shares held in the Kennametal Inc. 401(k) Plan and a total of 3,620 shares of Performance Unit shares not yet distributed.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Michelle R. Keating</signatureName>
        <signatureDate>2020-07-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
