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    T838 • Form C Semi-Bottoming Chamfer • Metric DIN 371, 374, and 376 • Tension/Compression Holders

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

    Material Number6173157

    ISO Catalog IDT838M330X350R6H-D6ANSI Catalog IDT838M330X350R6H-D6

    T838 DIN Metric Threading - 6173157 - Kennametal
    T838 DIN Metric Threading - 6173157 - Kennametal
    T838 DIN Metric Threading - 6173157 - Kennametal
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    T838 DIN Metric Threading - 6173157 - Kennametal
    T838 DIN Metric Threading - 6173157 - Kennametal
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    List Price
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • 100076705100076705
    • Tapping: Blind HoleTapping: Blind Hole
    • Class of Fit: 6HClass of Fit: 6H
    • DIN number 371DIN number 371
    • DIN number 374DIN number 374
    • DIN number 376DIN number 376
    • 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
    • Tapping Helix Angle: 45°Tapping Helix Angle: 45°
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    Drawings for 6173157
    Metric
    Inch
    Material Number6173157
    ISO Catalog IDT838M330X350R6H-D6
    ANSI Catalog IDT838M330X350R6H-D6
    GradeKSU31
    [D1-TDZ] Thread Diameter SizeM33 X 3,5
    [L] Overall Length 180 mm
    [L] Overall Length 7.09 in
    [L3] Thread Length 35 mm
    [L3] Thread Length 1.38 in
    [L2] Useable Length 92 mm
    [L2] Useable Length 3.62 in
    [D] Adapter / Shank / Bore Diameter25 mm
    [D] Adapter / Shank / Bore Diameter.9843 in
    [Z] Number of Flutes4
    Dimension StandardDIN 376
    Thread Tolerance Class ISO6H-I
    See all Product Variants

    Workpiece Materials

    • Steel
    • Stainless Steel
    • Cast Iron

    Uses and application

    • 100076705100076705
    • Tapping: Blind HoleTapping: Blind Hole
    • Class of Fit: 6HClass of Fit: 6H
    • DIN number 371DIN number 371
    • DIN number 374DIN number 374
    • DIN number 376DIN number 376
    • 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
    • Tapping Helix Angle: 45°Tapping Helix Angle: 45°

    Features and benefits

    • KSU31 TiN

    • KSP39 oxide


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    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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    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    RC3 Solid tap adapters
    RC3 Solid tap adapters
    1138470
    RC3TA250200M360
    RC3TA250200M360
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