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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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NAS

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Product # ISO Catalog Number ANSI Catalog Number Grade Insert Size [CF]Flat Center Width Metric [CF]Flat Center Width Inch [E]Profile Distance e (ey) mm [E]Profile Distance e (ey) In TPI Min
1112985 NAS3R6 NAS3R6 KC730 3 1,656 .0652 3,785 .1490 6
1112986 NAS3R8 NAS3R8 KC730 3 1,209 .0476 3,785 .1490 8
1112988 NAS3R12 NAS3R12 KC730 3 0,828 .0326 3,785 .1490 12
1112990 NAS3R16 NAS3R16 KC730 3 0,605 .0238 3,785 .1490 16
1112992 NAS3L6 NAS3L6 KC730 3 1,656 .0652 3,785 .1490 6
1112993 NAS3L8 NAS3L8 KC730 3 1,209 .0476 3,785 .1490 8
1796520 NAS3R16 NAS3R16 KC5025 3 0,605 .0238 3,785 .1490 16
1796524 NAS3R12 NAS3R12 KC5025 3 0,828 .0326 3,785 .1490 12
1796525 NAS3L12 NAS3L12 KC5025 3 0,828 .0326 3,785 .1490 12
1796526 NAS3R10 NAS3R10 KC5010 3 0,940 .0370 3,785 .1490 10
1796527 NAS3R10 NAS3R10 KC5025 3 0,940 .0370 3,785 .1490 10
1796529 NAS3L10 NAS3L10 KC5025 3 0,940 .0370 3,785 .1490 10
1796530 NAS3R8 NAS3R8 KC5010 3 1,209 .0476 3,785 .1490 8
1796531 NAS3R8 NAS3R8 KC5025 3 1,209 .0476 3,785 .1490 8
1796532 NAS3L8 NAS3L8 KC5010 3 1,209 .0476 3,785 .1490 8
1796543 NAS3L8 NAS3L8 KC5025 3 1,209 .0476 3,785 .1490 8
1796544 NAS3R6 NAS3R6 KC5010 3 1,656 .0652 3,785 .1490 6
1796545 NAS3R6 NAS3R6 KC5025 3 1,656 .0652 3,785 .1490 6
1796546 NAS3L6 NAS3L6 KC5010 3 1,656 .0652 3,785 .1490 6
1796547 NAS3L6 NAS3L6 KC5025 3 1,656 .0652 3,785 .1490 6
1796549 NAS3R5 NAS3R5 KC5025 3 2,014 .0793 3,785 .1490 5
1796551 NAS3L5 NAS3L5 KC5025 3 2,014 .0793 3,785 .1490 5
1923011 NAS3R4 NAS3R4 KC5025 3 2,550 .1004 3,785 .1490 4
3127186 NAS3L4 NAS3L4 KC5025 3 2,550 .1004 3,785 .1490 4
4109636 NAS3L4 NAS3L4 KCU25 3 2,550 .1004 3,785 .1490 4
4109637 NAS3L6 NAS3L6 KCU25 3 1,656 .0652 3,785 .1490 6
4109638 NAS3L8 NAS3L8 KCU25 3 1,209 .0476 3,785 .1490 8
4109640 NAS3R12 NAS3R12 KCU25 3 0,828 .0326 3,785 .1490 12
4109641 NAS3R4 NAS3R4 KCU25 3 2,550 .1004 3,785 .1490 4
4109644 NAS3R8 NAS3R8 KCU25 3 1,209 .0476 3,785 .1490 8
4176026 NAS3L10 NAS3L10 KCU10 3 0,940 .0370 3,785 .1490 10
4176027 NAS3L5 NAS3L5 KCU10 3 2,014 .0793 3,785 .1490 5
4176028 NAS3L6 NAS3L6 KCU10 3 1,656 .0652 3,785 .1490 6
4176029 NAS3L8 NAS3L8 KCU10 3 1,209 .0476 3,785 .1490 8
4176030 NAS3R10 NAS3R10 KCU10 3 0,940 .0370 3,785 .1490 10
4176031 NAS3R5 NAS3R5 KCU10 3 2,014 .0793 3,785 .1490 5
4176032 NAS3R6 NAS3R6 KCU10 3 1,656 .0652 3,785 .1490 6
4176033 NAS3R8 NAS3R8 KCU10 3 1,209 .0476 3,785 .1490 8

Product Usage

P
M
K
N
H
S
C
KC5010 KC5025 KC730 KCU10 KCU25

Grades

  • 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.

  • KC730

    KC730

  • 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 NAS

NT-K
NT-1L
NT
NT
NTP
NTP
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
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