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    T640 • KP6525 Inch Sizes • ANSI HP HSSE-PM taps for thru and blind holes • Cast & Ductile Iron

    Beyond™ Straight-Flute HSS-E-PM Taps • Through and Blind Holes

    Material Number4035548

    ISO Catalog IDT640NF04375-20R3BX-AANSI Catalog IDT640NF04375-20R3BX-A

    T640 STFL In Threading - 4035548 - Kennametal
    T640 STFL In Threading - 4035548 - Kennametal
    T640 STFL In Threading - 4035548 - Kennametal
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    T640 STFL In Threading - 4035548 - Kennametal
    T640 STFL In Threading - 4035548 - Kennametal
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    $109.95/each
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    • K Cast Iron
    • N Non-Ferrous
    • Tapping: Through HoleTapping: Through Hole
    • Tapping: Blind HoleTapping: Blind Hole
    • Chamfer Form C (2–3)Chamfer Form C (2–3)
    • HSS-E-PMHSS-E-PM
    • Class of Fit: 2BXClass of Fit: 2BX
    • Class of Fit: 3BXClass of Fit: 3BX
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
    • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC
    • Manufacturer’s Specs: ANSIManufacturer’s Specs: ANSI
    • Tapping Helix Angle: 0°Tapping Helix Angle: 0°
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    Drawings for 4035548
    Metric
    Inch
    Material Number4035548
    ISO Catalog IDT640NF04375-20R3BX-A
    ANSI Catalog IDT640NF04375-20R3BX-A
    GradeKP6525
    [D1-TDZ] Thread Diameter Size7/16 - 20
    [L] Overall Length 80.3 mm
    [L] Overall Length 3.16 in
    [L3] Thread Length 18 mm
    [L3] Thread Length .71 in
    [L2] Useable Length 37.8 mm
    [L2] Useable Length 1.49 in
    [D] Adapter / Shank / Bore Diameter8.204 mm
    [D] Adapter / Shank / Bore Diameter.323 in
    [Z] Number of Flutes4
    Dimension StandardANSI
    Thread Tolerance Class ANSI3BX
    See all Product Variants

    Workpiece Materials

    • Cast Iron
    • Non-Ferrous

    Uses and application

    • Tapping: Through HoleTapping: Through Hole
    • Tapping: Blind HoleTapping: Blind Hole
    • Chamfer Form C (2–3)Chamfer Form C (2–3)
    • HSS-E-PMHSS-E-PM
    • Class of Fit: 2BXClass of Fit: 2BX
    • Class of Fit: 3BXClass of Fit: 3BX
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
    • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC
    • Manufacturer’s Specs: ANSIManufacturer’s Specs: ANSI
    • Tapping Helix Angle: 0°Tapping Helix Angle: 0°

    Features and benefits

    • KP6525 TiCN + TiN for cast iron and cast aluminum.

    Create Solution to calculate Feeds and Speeds

    After creating a solution just choose the Feeds & Speeds icon and our system will provide recommendations. You can customize the information by adding your machine and specifications or make adjustments using the sliders.

    Tolerance

    shank tolerance
    D fractionalD inch
    .250–.375+0, -.0004
    .438–.625+0, -.0004
    shank tolerance
    Dtolerance h6 + / -
    6+0, -0,008
    8 10+0, -0,009
    12 16+0, -0,011
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    CAD Drawings Models

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    Product data

    SDS

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    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    DA J series Collet
    DA J series Collet
    1016532
    JTC043
    JTC043
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    DA K series - Tap Collets
    DA K series - Tap Collets
    1016533
    KTC043
    KTC043
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    DA L series - Tap Collets
    DA L series - Tap Collets
    1016584
    LTC043
    LTC043
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    TG75 Solid Tap Collet
    TG75 Solid Tap Collet
    1017271
    75TGST043
    75TGST043
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026429
    20ERTC043
    20ERTC043
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026447
    25ERTC043
    25ERTC043
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026457
    32ERTC043
    32ERTC043
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026477
    40ERTC043
    40ERTC043
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1080489
    25ERTCT043
    25ERTCT043
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    TG100 Solid Tap Cool Collet
    TG100 Solid Tap Cool Collet
    1086549
    100TGSTC043
    100TGSTC043
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