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    TRM™ Disc Style Modular Reamer Heads • Blind Holes

    TRM • Top Ream Modular

    Material Number6447329

    ISO Catalog IDTRM18000WST155H7SFANSI Catalog IDTRM18000WST155H7SF

    Disc Reamer Modular TRM Str Holemaking - 6447329 - WIDIA
    Disc Reamer Modular TRM Str Holemaking - 6447329 - WIDIA
    Disc Reamer Modular TRM Str Holemaking - 6447329 - WIDIA
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    Disc Reamer Modular TRM Str Holemaking - 6447329 - WIDIA
    Disc Reamer Modular TRM Str Holemaking - 6447329 - WIDIA
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • S High-Temp Alloys
    • Reaming: Blind HoleReaming: Blind Hole
    • Reaming: Blind & CrossReaming: Blind & Cross
    • Through Coolant: Axial: ReamingThrough Coolant: Axial: Reaming
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    Drawings for 6447329
    Metric
    Inch
    Material Number6447329
    ISO Catalog IDTRM18000WST155H7SF
    ANSI Catalog IDTRM18000WST155H7SF
    GradeWU05PR
    [CSMS] System Size Machine SideKST155
    [D1] Reamer Diameter Minimum18 mm
    [D1] Reamer Diameter Minimum.7087 in
    [L1] Gage Length17.9 mm
    [L1] Gage Length.7047 in
    [Z] Number of Flutes6
    See all Product Variants

    Workpiece Materials

    • Steel
    • Stainless Steel
    • Cast Iron
    • High-Temp Alloys

    Uses and application

    • Reaming: Blind HoleReaming: Blind Hole
    • Reaming: Blind & CrossReaming: Blind & Cross
    • Through Coolant: Axial: ReamingThrough Coolant: Axial: Reaming

    Features and benefits

    • Solid carbide disc at front instead of single-tipped carbide blanks
    • Improved hole straightness and roundness due to unequal flute spacing (less vibrations) and runout <3 microns
    • Superior surface finish due to lapped ground leads
    • For hole tolerance H7
    • Intermediate sizes ground to achieve IT6 or IT7 hole tolerance class available
    • Please order lock screw and retention knob separately

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    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    SIF70 • Axial Clamping • 5xD
    SIF70 • Axial Clamping • 5xD
    4056185
    SIF70KST155AR5M
    SIF70KST155AR5M
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    Straight Shank Bodies • Axial Clamping • 3 x D
    Straight Shank Bodies • Axial Clamping • 3 x D
    6311901
    SS20WST155AR3M
    SS20WST155AR3M
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    Straight Shank Bodies • Axial Clamping • 5 x D
    Straight Shank Bodies • Axial Clamping • 5 x D
    6433754
    SS20WST155AR5M
    SS20WST155AR5M
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