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    T820 • Form B Plug Chamfer • Machine Screw and Fractional • DIN 371 and 376

    GOtap™ T820 Spiral-Point HSS-E Taps • Through Holes

    Material Number5479699

    ISO Catalog IDT820NC02500-20R2B-D1ANSI Catalog IDT820NC02500-20R2B-D1

    T820 DIN Inch Threading - 5479699 - Kennametal
    T820 DIN Inch Threading - 5479699 - Kennametal
    T820 DIN Inch Threading - 5479699 - Kennametal
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    T820 DIN Inch Threading - 5479699 - Kennametal
    T820 DIN Inch Threading - 5479699 - Kennametal
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • Multipurpose Taps: Spiral PointMultipurpose Taps: Spiral Point
    • Tapping: Through HoleTapping: Through Hole
    • Class of Fit: 2BClass of Fit: 2B
    • DIN number 371DIN number 371
    • DIN number 376DIN number 376
    • 3861838618
    • Chamfer Form: Plug Chamfer (3–5)Chamfer Form: Plug Chamfer (3–5)
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
    • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC
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    Drawings for 5479699
    Metric
    Inch
    Material Number5479699
    ISO Catalog IDT820NC02500-20R2B-D1
    ANSI Catalog IDT820NC02500-20R2B-D1
    GradeKSP39
    [D1-TDZ] Thread Diameter Size1/4 - 20
    [L] Overall Length 80 mm
    [L] Overall Length 3.15 in
    [L3] Thread Length 15 mm
    [L3] Thread Length 0.59 in
    [L2] Useable Length 30 mm
    [L2] Useable Length 1.18 in
    [D] Adapter / Shank / Bore Diameter7 mm
    [D] Adapter / Shank / Bore Diameter0.2756 in
    [Z] Number of Flutes3
    Dimension StandardDIN 371
    Thread Tolerance Class ANSI2B
    See all Product Variants

    Workpiece Materials

    • Steel
    • Stainless Steel
    • Cast Iron

    Uses and application

    • Multipurpose Taps: Spiral PointMultipurpose Taps: Spiral Point
    • Tapping: Through HoleTapping: Through Hole
    • Class of Fit: 2BClass of Fit: 2B
    • DIN number 371DIN number 371
    • DIN number 376DIN number 376
    • 3861838618
    • Chamfer Form: Plug Chamfer (3–5)Chamfer Form: Plug Chamfer (3–5)
    • Flood Coolant: TappingFlood Coolant: Tapping
    • Manufacturer’s Specs: UNFManufacturer’s Specs: UNF
    • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC

    Grades

    KSP39

    KSP39

    HSS-E substrate with black oxide surface treatment. Use in a variety of materials, including steel, stainless steel, and ductile iron. Not recommended for non-ferrous materials.

    Features and benefits

    • KSP39 oxide

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    Product Name
    Material Number
    ISO Catalog ID
    ANSI Catalog ID
     
    TG50 Solid Tap Collet
    TG50 Solid Tap Collet
    1017142
    50TGST070055M
    50TGST070055M
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    RC1 Solid tap adapters
    RC1 Solid tap adapters
    1120808
    RC1TA070055M100
    RC1TA070055M100
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    RC2 Solid tap adapters
    RC2 Solid tap adapters
    1125890
    RC2TA070055M100
    RC2TA070055M100
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    ER Standard Tap Collets • Metric DIN and ISO
    ER Standard Tap Collets • Metric DIN and ISO
    1126244
    32ERTC070055M
    32ERTC070055M
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    ER Standard Tap Collets • Metric DIN and ISO
    ER Standard Tap Collets • Metric DIN and ISO
    1127139
    25ERTC070055M
    25ERTC070055M
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    ER Standard Tap Collets • Metric DIN and ISO
    ER Standard Tap Collets • Metric DIN and ISO
    1128193
    16ERTC070055M
    16ERTC070055M
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    ER Standard Tap Collets • Metric DIN and ISO
    ER Standard Tap Collets • Metric DIN and ISO
    1155335
    40ERTC070055M
    40ERTC070055M
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    DA K series - Tap Collets
    DA K series - Tap Collets
    1280277
    KTC070055M
    KTC070055M
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    ER Standard Tap Collets • Metric DIN and ISO
    ER Standard Tap Collets • Metric DIN and ISO
    1307508
    20ERTC070055M
    20ERTC070055M
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