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    TRM™ Disc Style Modular Reamer Heads • Through Holes

    TRM • Top Ream Modular

    Material Number6447389

    ISO Catalog IDTRM40000WST350H7HFANSI Catalog IDTRM40000WST350H7HF

    Disc Reamer Modular TRM Hel Holemaking - 6447389 - WIDIA
    Disc Reamer Modular TRM Hel Holemaking - 6447389 - WIDIA
    Disc Reamer Modular TRM Hel Holemaking - 6447389 - WIDIA
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    Disc Reamer Modular TRM Hel Holemaking - 6447389 - WIDIA
    Disc Reamer Modular TRM Hel Holemaking - 6447389 - WIDIA
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • S High-Temp Alloys
    • Reaming: Through & Cross HolesReaming: Through & Cross Holes
    • Reaming - Through CoolantReaming - Through Coolant
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    Drawings for 6447389
    Metric
    Inch
    Material Number6447389
    ISO Catalog IDTRM40000WST350H7HF
    ANSI Catalog IDTRM40000WST350H7HF
    GradeWU05PR
    [CSMS] System Size Machine SideKST350
    [D1] Reamer Diameter Minimum40 mm
    [D1] Reamer Diameter Minimum1.574 in
    [L1] Gage Length20.4 mm
    [L1] Gage Length.8031 in
    [Z] Number of Flutes8
    See all Product Variants

    Workpiece Materials

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

    Uses and application

    • Reaming: Through & Cross HolesReaming: Through & Cross Holes
    • Reaming - Through CoolantReaming - Through Coolant

    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
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    Straight Shank • Radial Clamping • 3 x D
    Straight Shank • Radial Clamping • 3 x D
    6055353
    SS32WST350RR3M
    SS32WST350RR3M
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    Straight Shank • Radial Clamping • 3 x D
    Straight Shank • Radial Clamping • 3 x D
    6055354
    SS32WST350RR5M
    SS32WST350RR5M
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