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    TOP DRILL Deep Hole • 25 x D • TDD107 • 2 Flute

    TDD107 • 25 x D • Metric

    Material Number3899748

    ISO Catalog IDTDD107Z06350ANSI Catalog IDTDD107Z06350

    Deep-Hole Solid Carbide Drills with Through Coolant Holes Steel and Cast Iron • WU20PD • 25 x D
    Deep-Hole Solid Carbide Drills with Through Coolant Holes Steel and Cast Iron • WU20PD • 25 x D
    Deep-Hole Solid Carbide Drills with Through Coolant Holes Steel and Cast Iron • WU20PD • 25 x D
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    Deep-Hole Solid Carbide Drills with Through Coolant Holes Steel and Cast Iron • WU20PD • 25 x D
    Deep-Hole Solid Carbide Drills with Through Coolant Holes Steel and Cast Iron • WU20PD • 25 x D
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • N Non-Ferrous
    • S High-Temp Alloys
    • DrillingDrilling
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Drilling - Through CoolantDrilling - Through Coolant
    • Tool Dimensions: 2flute/4margin/coolantTool Dimensions: 2flute/4margin/coolant
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    Drawings for 3899748
    Metric
    Inch
    Material Number3899748
    ISO Catalog IDTDD107Z06350
    ANSI Catalog IDTDD107Z06350
    GradeWU20PD
    [D1] Drill Diameter M 6.35 mm
    [D1] Drill Diameter M 0.25 in
    [D1] Wire SizeE
    [D] Adapter / Shank / Bore Diameter7 mm
    [D] Adapter / Shank / Bore Diameter0.2756 in
    [L3] Flute Length 182 mm
    [L3] Flute Length 7.1654 in
    [L4] Maximum Drilling Depth 167 mm
    [L4] Maximum Drilling Depth 6.5748 in
    [L5] Drill Point Length1.324 mm
    [L5] Drill Point Length0.0521 in
    [LS] Shank Length 38 mm
    [LS] Shank Length 1.4961 in
    [L] Overall Length 232 mm
    [L] Overall Length 9.1339 in
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    Workpiece Materials

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

    Uses and application

    • DrillingDrilling
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Drilling - Through CoolantDrilling - Through Coolant
    • Tool Dimensions: 2flute/4margin/coolantTool Dimensions: 2flute/4margin/coolant

    Grades

    WU20PD

    WU20PD

    Composition: With a multilayered PVD TiN-TiAlN coating, a high-quality, sub-micron, carbide substrate and a state-of-the-art surface condition, this grade gives the highest level of wear resistance at high cutting speeds.
    Application: First choice for alloyed and high-alloyed steels and cast irons. A state-of-the-art surface condition enables superior chip evacuation even when MQL is applied.

    Features and benefits

    • Standard items listed. Additional diameters and lengths made to order.
    • For information about Custom Solutions, such as multi-step drills, see page [REFERENCE].
    • For information about Reconditioning Services, see page [REFERENCE].

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