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    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills

    SPF Drills • Composite (CFRP) Materials

    Material Number3585220

    ISO Catalog IDB531A12725SPFANSI Catalog IDB531A12725SPF

    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills 3585220 - Kennametal
    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills 3585220 - Kennametal
    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills 3585220 - Kennametal
    Open expanded view
    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills 3585220 - Kennametal
    B531_SPF (~3 x D) • B532_SPF (~5 x D) • KDF400 • A-Shank • SPF Drills 3585220 - Kennametal
    Generic representation
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    • DrillingDrilling
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Tool Dimensions: 2flute/2margin/no coolTool Dimensions: 2flute/2margin/no cool
    • DIN number 6535DIN number 6535
    • DIN number 6537DIN number 6537
    • Drilling - No CoolantDrilling - No Coolant
    • Flood Coolant: DrillingFlood Coolant: Drilling
    • Shank - Cylindrical Plain ≤h6Shank - Cylindrical Plain ≤h6
    • Helix Angle: 30°Helix Angle: 30°
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    Drawings for 3585220
    Metric
    Inch
    Material Number3585220
    ISO Catalog IDB531A12725SPF
    ANSI Catalog IDB531A12725SPF
    GradeKDF400
    [D1] Drill Diameter M 12.725 mm
    [D1] Drill Diameter M 0.501 in
    [L3] Flute Length 60 mm
    [L3] Flute Length 2.3622 in
    [L4] Maximum Drilling Depth 43 mm
    [L4] Maximum Drilling Depth 1.6929 in
    [L5] Drill Point Length5.78 mm
    [L5] Drill Point Length0.2276 in
    [LS] Shank Length 45 mm
    [LS] Shank Length 1.7717 in
    [D] Adapter / Shank / Bore Diameter14 mm
    [D] Adapter / Shank / Bore Diameter0.5512 in
    See all Product Variants

    Uses and application

    • DrillingDrilling
    • Drilling: Stacked PlatesDrilling: Stacked Plates
    • Tool Dimensions: 2flute/2margin/no coolTool Dimensions: 2flute/2margin/no cool
    • DIN number 6535DIN number 6535
    • DIN number 6537DIN number 6537
    • Drilling - No CoolantDrilling - No Coolant
    • Flood Coolant: DrillingFlood Coolant: Drilling
    • Shank - Cylindrical Plain ≤h6Shank - Cylindrical Plain ≤h6
    • Helix Angle: 30°Helix Angle: 30°

    Grades

    KDF400

    KDF400

    Composition: CVD diamond coated fine-grain carbide.
    Application: First choice for machining carbon-fiber reinforced polymers (CFRPs). The crystalline diamond-coated grade offers a high degree of abrasive wear resistance. Paired with sharp cutting geometries and low-axial thrust point geometries, this grade is perfectly suited to machine most CFRPs.

    Features and benefits

    • SPF drills for composite (CFRP) materials.
    • Material-specific SC drill to machine carbon fiber-reinforced polymer (CFRP) composite materials by minimizing delamination and increasing tool life.
    • SPF drill-point design with special 90° point angle increases centering capability.
    • KDF400™ grade is a CVD multilayer diamond coating that provides more wear resistance and reduced friction, increasing tool life, and improving chip flow.

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    1014214
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    1014625
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    TG150 Series • Metric
    1014819
    150TG140M
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    TG75 Series • Metric
    TG75 Series • Metric
    1015007
    75TGHP140M
    75TGHP140M
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    TG100 Series • Metric
    1080546
    100TGC140M
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    TG100 Series • Metric
    1080561
    100TGCHP140M
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    1092183
    100DAC140M
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