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            <identifier scheme="http://www.sec.gov/CIK">0000055242</identifier>
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        <period>
            <startDate>2023-10-24</startDate>
            <endDate>2023-10-24</endDate>
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    <dei:EntityCentralIndexKey contextRef="c-1" id="f-24">0000055242</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="c-1" id="f-25">true</dei:AmendmentFlag>
    <dei:NoTradingSymbolFlag contextRef="c-3" id="f-26">true</dei:NoTradingSymbolFlag>
    <dei:DocumentType contextRef="c-1" id="f-1">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="c-1" id="f-2">2023-10-24</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="c-1" id="f-3">Kennametal Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="c-1" id="f-4">PA</dei:EntityIncorporationStateCountryCode>
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    <dei:TradingSymbol contextRef="c-2" id="f-20">KMT</dei:TradingSymbol>
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    <dei:SecurityExchangeName contextRef="c-3" id="f-23">NYSE</dei:SecurityExchangeName>
    <dei:AmendmentDescription contextRef="c-1" id="f-27">This Current Report on Form 8-K/A (the Amendment) is being filed as an amendment to the Current Report on Form 8-K filed by Kennametal Inc. (&#x201c;Kennametal&#x201d; or &#x201c;the Company&#x201d;) on October 26, 2023 (&#x201c;the Original Form 8-K&#x201d;). The Original Form 8-K was filed with the U.S. Securities and Exchange Commission (&#x201c;SEC&#x201d;) to report the results of the matters submitted to a vote of the shareholders at the Company's Annual Meeting of Shareholders, held on October 24, 2023 (&#x201c;Annual Meeting&#x201d;). The sole purpose of this Amendment is to update disclosures made under Item 5.07, Submission of Matters to a Vote of Security Holders, in the Original Form 8-K. Except as set forth herein, no other modifications have been made to the Original Form 8-K.</dei:AmendmentDescription>
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