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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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NDC • Cresting

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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 TPI Taper Per Foot Inch
1799521 NDC3040R3 NDC3040R3 KC5025 3 0,381 .0175 3,734 .1470 5 3
1799522 NDC3040L3 NDC3040L3 KC5010 3 0,381 .0175 3,734 .1470 5 3
1799525 NDC4038R2 NDC4038R2 KC5025 4 0,838 .0355 4,648 .1830 4 2
1799527 NDC4038L2 NDC4038L2 KC5025 4 0,838 .0355 4,648 .1830 4 2
1799529 NDC4040R3 NDC4040R3 KC5025 4 0,381 .0175 3,734 .1470 5 3
1799553 NDC4050R2 NDC4050R2 KC5025 4 0,508 .0225 4,648 .1830 4 2
1799555 NDC4050L2 NDC4050L2 KC5025 4 0,508 .0225 4,648 .1830 4 2
1799557 NDC4050R3 NDC4050R3 KC5025 4 0,508 .0225 4,648 .1830 4 3

Product Usage

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.

Inserts and Holder Bodies for NDC (Cresting)

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-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