<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-08-24</periodOfReport>

    <dateOfOriginalSubmission>2006-08-24</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001001606</issuerCik>
        <issuerName>BLOUNT INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>BLT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241079</rptOwnerCik>
            <rptOwnerName>OSTERMAN JAMES S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4909 SE INTERNATIONAL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97222</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Award</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>35256</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35256</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>594656</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Restricted Stock Award was granted under the 2006 Equity Incentive Plan approved by shareholders on April 25, 2006.</footnote>
        <footnote id="F2">The Restricted Stock shall vest two years from date of grant on August 24, 2008 or if grantee's employment with the Company is terminated by his Retirement, all outstanding unvested Restricted Stock shall immediately vest and the Grantee shall own the Restricted Stock free and clear of all restrictions.</footnote>
        <footnote id="F3">A Restricted Stock unit is an unsecured promise to transfer a share at a specified future date.  The shares do not have an expiration date.</footnote>
    </footnotes>

    <remarks>Amendment to Form 4 filed on 8/28/06 reporting Restricted Stock Award.  Conversion or Exercise price of Security should be $0, rather than $9.02.</remarks>

    <ownerSignature>
        <signatureName>Richard H. Irving, III</signatureName>
        <signatureDate>2006-08-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
