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    KenDrill™ HPR • 8 x D • Internal Coolant • Straight Shank • Metric

    Solid Carbide Drill for Cast Iron and Steels

    Material Number6783442

    ISO Catalog IDB256A11500HPRANSI Catalog IDB256A11500HPR

    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
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    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal+0
    B256_HPR 8xD New & Innovation Products - 6783442 - Kennametal
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    $516.25/each
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    • P Steel
    • K Cast Iron
    • DrillingDrilling
    • Drilling: Inclined ExitDrilling: Inclined Exit
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling
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    Drawings for 6783442
    Metric
    Inch
    Material Number6783442
    ISO Catalog IDB256A11500HPR
    ANSI Catalog IDB256A11500HPR
    GradeKCK10A
    [D1] Drill Diameter M 11.5 mm
    [D1] Drill Diameter M .4528 in
    [L] Overall Length 158 mm
    [L] Overall Length 6.22 in
    [L3] Flute Length 110 mm
    [L3] Flute Length 4.33 in
    [L4] Maximum Drilling Depth 96 mm
    [L4] Maximum Drilling Depth 3.779 in
    [L5] Drill Point Length2.88 mm
    [L5] Drill Point Length.1134 in
    [LS] Shank Length 45 mm
    [LS] Shank Length 1.771 in
    [D] Adapter / Shank / Bore Diameter12 mm
    [D] Adapter / Shank / Bore Diameter.4724 in
    See all Product Variants

    Workpiece Materials

    • Steel
    • Cast Iron

    Uses and application

    • DrillingDrilling
    • Drilling: Inclined ExitDrilling: Inclined Exit
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Drilling: Cross-Hole DrillingDrilling: Cross-Hole Drilling

    Grades

    KCK10A

    KCK10A

    Composition: Multilayered PVD AlTiN-based coated submicron grain carbide with superior surface finish.
    Application: First choice for cast iron. This grade utilizes a newly developed coating combined with a state-of-the-art surface condition to offer extraordinary wear resistance in abrasive materials at elevated cutting conditions with improved performance consistency.

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    Tolerance

    nominal size rangeD1 tolerance m7D tolerance h6
    1–30,002/0,0120,000/-0,006
    3–60,004/0,0160,000/-0,008
    6–100,006/0,0210,000/-0,009
    10–180,007/0,0250,000/-0,011
    18–25,40,008/0,0290,000/-0,013
    nominal size rangeD1 tolerance m7D tolerance h6
    .0394–.1181.0001/.0005.0000/-.0002
    .1181–.2362.0002/.0006.0000/-.0003
    .2362–.3937.0002/.0008.0000/-.0004
    .3937–.7087.0003/.0010.0000/-.0004
    .7087–1.0000.0003/.0011.0000/-.0005
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    Product Name
    Material Number
    ISO Catalog ID
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    1014181
    100DA125M
    100DA125M
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    TG75 Series • Metric
    TG75 Series • Metric
    1014601
    75TG120M
    75TG120M
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    TG150 Series • Metric
    TG150 Series • Metric
    1014815
    150TG120M
    150TG120M
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    ER Standard Collets • Metric
    ER Standard Collets • Metric
    1025842
    20ER120M
    20ER120M
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    ER Standard Collets • Metric
    1025843
    20ER130M
    20ER130M
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    TG100 Series • Metric
    TG100 Series • Metric
    1080545
    100TGC120M
    100TGC120M
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    TG100 Series • Metric
    TG100 Series • Metric
    1080560
    100TGCHP120M
    100TGCHP120M
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    TG75 Series • Metric
    TG75 Series • Metric
    1086674
    75TGCHP120M
    75TGCHP120M
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    DA Collets
    DA Collets
    1092182
    100DAC120M
    100DAC120M
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    DA Collets
    DA Collets
    1092290
    180DAC120M
    180DAC120M
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    • HPR Drill: Cross-Hole Craziness

      HPR Drill: Cross-Hole Craziness

    • HPR Drill:Solid Carbide Drill for Cast Iron

      HPR Drill:Solid Carbide Drill for Cast Iron

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