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    KenDrill™ HPR • 5 x D • Internal Coolant • Straight Shank • Inch

    Solid Carbide Drill for Cast Iron and Steels

    Material Number6783517

    ISO Catalog IDK255A04219HPRANSI Catalog IDK255A04219HPR

    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
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    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal+0
    K255_HPR 5xD New & Innovation Products - 6783517 - Kennametal
    Generic representation
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    $323.03/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 6783517
    Metric
    Inch
    Material Number6783517
    ISO Catalog IDK255A04219HPR
    ANSI Catalog IDK255A04219HPR
    GradeKCK10A
    [D1] Drill Diameter M 10.7163 mm
    [D1] Drill Diameter M .4219 in
    [L] Overall Length 111 mm
    [L] Overall Length 4.37 in
    [L3] Flute Length 66 mm
    [L3] Flute Length 2.598 in
    [L4] Maximum Drilling Depth 53.1 mm
    [L4] Maximum Drilling Depth 2.09 in
    [L5] Drill Point Length2.68 mm
    [L5] Drill Point Length.1055 in
    [LS] Shank Length 42.5 mm
    [LS] Shank Length 1.673 in
    [D] Adapter / Shank / Bore Diameter11.1125 mm
    [D] Adapter / Shank / Bore Diameter.4375 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.

    Features and benefits

    • HPR point thinning provides excellent self-centering capabilities along with low-thrust, enabling maximum hole straightness.
    • 4 margin lands are deal for cross holes and inclined exits, proving maximum stability.
    • Drills holes 5X its diameter, making it ideal for deep-hole applications.
    • AlTiN/AlTiSiN multi-layer coating withstands abrasive and thermal loads to increase tool life.
    • Patented corner radius enables long tool life and excellent hole quality by avoiding workpiece chipping during evacuation.
    • HA shank design reduces vibration and provides increased stability, reducing the risk of breakage. All shanks are Minimum Quantity Lubrication (MQL) ready and fulfill the DIN 6535 and 69090-03 requirements.

    Create Solution to calculate Feeds and Speeds

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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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    Application Data

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    CAD Drawings Models

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    Product data

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    Create Solution to find the perfect compatible parts for your tool.
     
    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    TG100 Series • Inch
    TG100 Series • Inch
    1013878
    100TG0438
    100TG0438
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    DA Collets
    DA Collets
    1014895
    100DA0453
    100DA0453
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    TG50 Series • Inch
    TG50 Series • Inch
    1105092
    50TGC0438
    50TGC0438
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    1729838
    20ER0438
    20ER0438
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    1950130
    25ER0438
    25ER0438
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    1950154
    32ER0438
    32ER0438
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    1950162
    40ER0438
    40ER0438
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    2269933
    20ER0469
    20ER0469
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    2269940
    25ER0469
    25ER0469
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    ER Standard Collets • Inch
    ER Standard Collets • Inch
    2269948
    32ER0469
    32ER0469
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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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