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    T838 • Form C Semi-Bottoming Chamfer • Metric • ANSI • Tension/Compression Holders

    GOtap™ T838 Spiral-Flute HSS-E Taps • Blind Holes

    Material Number6140811

    ISO Catalog IDT838M040X070RD4-AANSI Catalog IDT838M040X070RD4-A

    T838 ANSI Metric Threading - 6140811 - Kennametal
    T838 ANSI Metric Threading - 6140811 - Kennametal
    T838 ANSI Metric Threading - 6140811 - Kennametal
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    T838 ANSI Metric Threading - 6140811 - Kennametal
    T838 ANSI Metric Threading - 6140811 - Kennametal
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    $78.98/each
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • N Non-Ferrous
    • 100076705100076705
    • Tapping: Blind HoleTapping: Blind Hole
    • Chamfer Form C (2–3)Chamfer Form C (2–3)
    • 3861838618
    • Manufacturer’s Specs: MManufacturer’s Specs: M
    • Manufacturer’s Specs: MFManufacturer’s Specs: MF
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: ANSIManufacturer’s Specs: ANSI
    • Tapping Helix Angle: 45°Tapping Helix Angle: 45°
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    Drawings for 6140811
    Metric
    Inch
    Material Number6140811
    ISO Catalog IDT838M040X070RD4-A
    ANSI Catalog IDT838M040X070RD4-A
    GradeKSP32
    [D1-TDZ] Thread Diameter SizeM4 X 0,7
    [L] Overall Length 53.8 mm
    [L] Overall Length 2.12 in
    [L3] Thread Length 9.7 mm
    [L3] Thread Length .38 in
    [L2] Useable Length 19.4 mm
    [L2] Useable Length .76 in
    [D] Adapter / Shank / Bore Diameter4.267 mm
    [D] Adapter / Shank / Bore Diameter.168 in
    [Z] Number of Flutes3
    Tap Pitch Diameter LimitD4
    See all Product Variants

    Workpiece Materials

    • Steel
    • Stainless Steel
    • Cast Iron
    • Non-Ferrous

    Uses and application

    • 100076705100076705
    • Tapping: Blind HoleTapping: Blind Hole
    • Chamfer Form C (2–3)Chamfer Form C (2–3)
    • 3861838618
    • Manufacturer’s Specs: MManufacturer’s Specs: M
    • Manufacturer’s Specs: MFManufacturer’s Specs: MF
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: ANSIManufacturer’s Specs: ANSI
    • Tapping Helix Angle: 45°Tapping Helix Angle: 45°

    Grades

    KSP32

    KSP32

    High-vanadium HSS-E substrate coated with wear-resistant TiCN base layer and low-friction TiN top layer. Use in multiple applications, including steel, stainless steel, ductile cast iron, and cast aluminum. KSP32 is abrasion resistant.

    Features and benefits

    • KSP32 TiCN/TiN
    • KSP39 oxide

    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 inchtolerance
    .141 .635+0, -.0015
    .635 1.51+0, -.0020
    1.51 2.01+0, -.0030
    shank tolerance
    D mm tolerance h9
    1 3+0, -0,025
    3 6+0, -0,030
    6 10+0, -0,036
    10 18+0, -0,043
    18 30+0, -0,052
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    CAD Drawings Models

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    Product data

    SDS

    Safety Data Sheets

    I have read and accepted the Terms & Conditions of use

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    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    DA J series Collet
    DA J series Collet
    1016464
    JTC8
    JTC8
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    DA K series - Tap Collets
    DA K series - Tap Collets
    1016465
    KTC8
    KTC8
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    DA L series - Tap Collets
    DA L series - Tap Collets
    1016466
    LTC8
    LTC8
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    TG50 Solid Tap Collet
    TG50 Solid Tap Collet
    1017014
    50TGST8
    50TGST8
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    TG75 Solid Tap Collet
    TG75 Solid Tap Collet
    1017265
    75TGST8
    75TGST8
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1026370
    16ERTCT8
    16ERTCT8
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026400
    16ERTC8
    16ERTC8
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026424
    20ERTC8
    20ERTC8
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026432
    25ERTC8
    25ERTC8
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    ER Standard Tap Collets • Inch/Metric ANSI
    ER Standard Tap Collets • Inch/Metric ANSI
    1026452
    32ERTC8
    32ERTC8
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