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    T660 • Machine Screw and Fractional • Form D Plug Chamfer

    Beyond™ Left-Hand Spiral-Flute, Right-Hand Cut HSS-E-PM Taps • Through Holes

    Material Number5565491

    ISO Catalog IDT660NC#02-56RH2-AANSI Catalog IDT660NC#02-56RH2-A

    T660 ANSI Inch Threading - 5565491 - Kennametal
    T660 ANSI Inch Threading - 5565491 - Kennametal
    T660 ANSI Inch Threading - 5565491 - Kennametal
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    T660 ANSI Inch Threading - 5565491 - Kennametal
    T660 ANSI Inch Threading - 5565491 - Kennametal
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    • S High-Temp Alloys
    • Tapping: Through HoleTapping: Through Hole
    • Chamfer Form D (3.5–5)Chamfer Form D (3.5–5)
    • HSS-E-PMHSS-E-PM
    • 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: L15°Tapping Helix Angle: L15°
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    Drawings for 5565491
    Metric
    Inch
    Material Number5565491
    ISO Catalog IDT660NC#02-56RH2-A
    ANSI Catalog IDT660NC#02-56RH2-A
    GradeKSS20
    [D1-TDZ] Thread Diameter Size2 - 56
    [L] Overall Length 44.5 mm
    [L] Overall Length 1.75 in
    [L3] Thread Length 11.2 mm
    [L3] Thread Length .44 in
    [L2] Useable Length 12.7 mm
    [L2] Useable Length .5 in
    [D] Adapter / Shank / Bore Diameter3.581 mm
    [D] Adapter / Shank / Bore Diameter.141 in
    [Z] Number of Flutes2
    Tap Pitch Diameter LimitH2
    See all Product Variants

    Workpiece Materials

    • High-Temp Alloys

    Uses and application

    • Tapping: Through HoleTapping: Through Hole
    • Chamfer Form D (3.5–5)Chamfer Form D (3.5–5)
    • HSS-E-PMHSS-E-PM
    • 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: L15°Tapping Helix Angle: L15°

    Features and benefits

    • KSS20 nitride for titanium and titanium alloys.
    • KSSM24 TiN + CrC/C for titanium and titanium alloys.

    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

    Tolerances

    shank tolerance
    Dtolerance h6 + / -
    .250–.375+0, -.0004
    .438–.625+0, -.0004
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    Speeds & Feeds

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    Application Data

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    CAD Drawings Models

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    SDS

    Safety Data Sheets

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    DA J series Collet
    DA J series Collet
    1016411
    JTC6
    JTC6
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    DA K series - Tap Collets
    DA K series - Tap Collets
    1016412
    KTC6
    KTC6
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    DA L series - Tap Collets
    DA L series - Tap Collets
    1016413
    LTC6
    LTC6
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1026369
    16ERTCT6
    16ERTCT6
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1092259
    12ERTCT6
    12ERTCT6
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1092300
    20ERTCT6
    20ERTCT6
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    ER Tension-Only Solid Tap Collets
    ER Tension-Only Solid Tap Collets
    1092348
    25ERTCT6
    25ERTCT6
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    RC1 Solid tap adapters
    RC1 Solid tap adapters
    1291352
    T11006
    T11006
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