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COVID-19: How Kennametal is responding
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Threading

Top Notch™ Threading Inserts

Product specifications
Please specify your desire dimensions and tolerances in the Product Specifications table below.
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NTP

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Product # ISO Catalog Number ANSI Catalog Number Grade Insert Size [RC]Corner Radius Center mm [RC]Corner Radius Center Inch [E]Profile Distance e (ey) mm [E]Profile Distance e (ey) In Thread Pitch External mm Thread Pitch Internal mm TPI Ext TPI Int
1112855 NTP3R NTP3R KC720 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1112954 NTP2L NTP2L KC730 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1112955 NTP3L NTP3L KC730 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1112956 NTP4L NTP4L KC730 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1112957 NTP2R NTP2R KC730 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1112958 NTP3R NTP3R KC730 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1112959 NTP4R NTP4R KC730 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1113213 NTP3R NTP3R K313 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113351 NTP2L NTP2L K420 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113354 NTP2R NTP2R K420 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113355 NTP3R NTP3R K420 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113510 NTP2L NTP2L K68 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113511 NTP3L NTP3L K68 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113513 NTP2R NTP2R K68 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113514 NTP3R NTP3R K68 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113815 NTP2L NTP2L KC850 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113816 NTP3L NTP3L KC850 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113817 NTP4L NTP4L KC850 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1113818 NTP2R NTP2R KC850 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1113819 NTP3R NTP3R KC850 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1113820 NTP4R NTP4R KC850 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1764575 NTP3L NTP3L KC5010 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1764576 NTP3L NTP3L KC5025 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1796090 NTP2R NTP2R KC5010 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1796091 NTP2R NTP2R KC5025 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1796103 NTP2L NTP2L KC5010 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1796104 NTP2L NTP2L KC5025 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
1796105 NTP3R NTP3R KC5010 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1796106 NTP3R NTP3R KC5025 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1796107 NTP3R NTP3R KC5410 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
1796109 NTP4R NTP4R KC5010 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1796110 NTP4R NTP4R KC5025 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1796112 NTP4L NTP4L KC5010 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
1796113 NTP4L NTP4L KC5025 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
4109962 NTP2L NTP2L KCU25 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
4109963 NTP2R NTP2R KCU25 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
4109964 NTP3L NTP3L KCU25 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
4109965 NTP3R NTP3R KCU25 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
4109967 NTP4R NTP4R KCU25 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12
4175937 NTP2L NTP2L KCU10 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
4175938 NTP2R NTP2R KCU10 2 0,076 .0040 1,905 .0750 0,70-3,0 1,25-3,5 8-36 7-20
4175988 NTP3L NTP3L KCU10 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
4175989 NTP3R NTP3R KCU10 3 0,127 .0065 2,489 .0980 1,25-4,0 2,0-5,0 6-20 5-12
4176137 NTP4R NTP4R KCU10 4 0,127 .0065 3,251 .1280 1,25-6,25 2,0-6,25 4-20 4-12

Product Usage

P
M
K
N
H
S
C
K313 K420 K68 KC5010 KC5025 KC5410 KC720 KC730 KC850 KCU10 KCU25

Grades

  • K313

    Composition: A hard, low binder content, unalloyed WC/Co fine-grain grade.
    Application: Exceptional edge wear resistance combined with very high strength for machining titanium, cast irons, austenitic stainless steels, non-ferrous metals, non-metals, and most high-temp alloys. Superior thermal deformation and depth-of-cut notch resistance. The grain structure is well controlled for minimal pits and flaws, which contributes to long, reliable service.

  • K420

    K420

  • K68

    Composition: A hard, low binder content, alloyed grade WC/Co fine-grain grade.
    Application: The K68 grade has excellent abrasion resistance for machining cast irons, austenitic stainless steels, non-ferrous metals, non-metals, and as an alternative to the K313 grade on most high-temperature alloys. Use as a general-purpose grade for non-ferrous materials.

  • KC5010

    Composition: An advanced PVD AlTiN coating over a very deformation-resistant unalloyed carbide substrate. The new and improved coating enables speeds to be increased by 50–100%.
    Application: The KC5010 grade is ideal for finishing to general machining of most workpiece materials at higher speeds. Excellent for machining most steels, stainless steels, cast irons, non-ferrous materials, and super alloys under stable conditions. It also performs well machining hardened and short chipping materials.

  • KC5025

    Composition: An advanced PVD-AlTiN-coated grade with a tough, ultra-fine-grain unalloyed substrate.
    Application: For general-purpose machining of most steels, stainless steels, high-temp alloys, titanium, irons, and non-ferrous materials. Speeds may vary from low to medium and will handle interruptions and high feed rates.

  • KC5410

    Composition: A PVD TiB2 coating over a very deformation-resistant unalloyed substrate.
    Application: Designed for roughing, semi-finishing, and finishing of free machining (hypoeutectic <12,2% Si) aluminium, aluminium alloys, and magnesium alloys. The TiB2 coating is harder than TiN and TiAlN coatings and has an extremely smooth surface, resulting in reduced surface friction, speedy chip flow, and outstanding wear resistance. Built-up edge is prevented because this coating has a very low affinity for aluminium. The substrate is unalloyed and fine grained and offers sharp edges, smooth surfaces, and excellent thermal deformation resistance and edge integrity. Inserts with a ground periphery are polished before coating and have a sharp edge. Moulded inserts have a light hone.

  • KC720

    • TiN-PVD-coated carbide.
    • Particularly high-impact strength grade.
    • For all steels, stainless steels, super-alloys, and titanium.
    • First choice for difficult conditions such as interrupted cutting, unstable clamping, etc.

  • KC730

    KC730

  • KC850

    composition: A CVD tri-phase coating on an extra-strong, cobalt-enriched
    alloyed substrate.
    application: Designed for heavy cutting of low-, medium-, and high-carbon
    steels, medium hardness alloy and tool steels, stainless steels, and some
    high-temperature alloys. Excellent thermal and mechanical shock resistance
    makes grade KC850 ideally suited for difficult drilling applications.
    Used in inserts for Kendex/Metcut drill bodies.

  • KCU10

    Composition: An advanced multilayer PVD coating over a very deformation-resistant unalloyed carbide substrate. The new and improved coating improves edge stability with wide range speed and feed capabilities.
    Application: The KCU10 grade is ideal for finishing to general machining of most workpiece materials at a wide range of speed and feed capabilities. Excellent for machining most steels, stainless steels, cast irons, non-ferrous materials, and super alloys with improved edge toughness and higher cutting speed/feed capability.

  • KCU25

    Turning Composition: An advanced PVD grade with hard AlTiN coating and fine-grain unalloyed substrate. The new and improved coating improves edge stability with wide range speed and feed capabilities.

    Turning Application: The KCU25 grade is ideal for general machining of most steels, stainless steels, high-temp alloys, titanium, irons, and non-ferrous materials in a wide range of speeds and feeds with improved edge toughness for interrupted cut and high feed rates.

    Holemaking Composition: Advanced CVD TiCN-Al2O3 coating combined with a tough carbide substrate.

    Holemaking Application: First choice for steel, stainless steel, and cast iron. This grade offers adequate deformation resistance, excellent edge strength, and superior wear resistance over a wide range of machining conditions for high productivity with very good reliability.

Inserts and Holder Bodies for NTP

NT-K
NT-1L
NT
NT
NT-CK
NTF
NTF
NTK
NTK
NTU
NTU
NTC-M-E
NTC-E
NTC-I
NJ
NJ
NJP
NJP
NJF
NJF
NJK
NJK
NDC-V
NDC-V-M
NWC-E
NWC-I
ND (Partial Profile)
NDC (Cresting)
NDC-RD
NDC-RD-M (MULTI-TOOTH)
NA
NA
NAS
NAS
NTB-A
NTB-B
NS
NS
NAS
NAS
NS-DH
NE
NE
A-NNT
A-NNT -1
E-NNT
Steel Boring Cartridge
NS
NS
NS (with shim)
NAS
NAS
NS-DH
NSU
NSU
NE
NE
A-NE
A-NE -1
E-NE
L-NE
L-NE-S
H-NE
NE-CA