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DCMT carbide insert

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DCMT carbide insert Specification

Surface Treatment
Coated

Thickness
4.76 mm

Standard
ISO DIN 4984

Grade
CVD/ PVD coated (e.g., VP15TF, TT9030, etc.)

Feature
High wear resistance, precision ground

Load Capacity
Industrial cutting loads

Drive Type
Clamp type

Capacity
Metal cutting up to 35 HRC

Corrosion Resistant
Yes

Hardness
92 HRA

Shape
Diamond (55 rhombic/DCMT)

Diameter
16 mm

Finish
Smooth

Material
carbide

Tolerance
ISO H7

Application
Turning, Boring, External/Internal Machining

Insert Geometry
Positive rake

Minimum Order Quantity
10 pieces

Compatible Tool Holders
DCMT Holders and Utility Machines

Color
Gold / Black

Coating Type
TiN / TiAlN / Al2O3

Number of Cutting Edges
2

Chip Breaker
Available (varies as per grade)

Cutting Edge Length
5.56 mm

Nose Radius
0.8 mm

About DCMT carbide insert

DCMT carbide inserts are 55 diamond-shaped (rhombic) turning inserts featuring a 7 positive clearance angle, designed primarily for precision finishing and semi-finishing of steel, stainless steel, and non-ferrous materials. These, often coated, single-sided inserts reduce cutting forces, improve tool life, and are ideal for profiling and internal boring operations. [1, 2, 3, 4]

Key Features and Geometry

Shape: 55 Diamond (D).
Clearance Angle: 7 Positive (C) reduces friction and cutting force.
Tolerance: M (Medium).
Type: Single-sided with a hole (T).
Rake Angle: Positive enables lower cutting forces and better chip control. [1, 2, 5, 6]

Common Applications

Finishing & Semi-Finishing: Excellent for high-speed, high-precision finishing.
Turning Operations: Ideal for profiling, longitudinal turning, and internal boring.
Materials: Specifically designed for steel, stainless steel, and specialized in aluminum or soft alloy applications.
Industries: Mold & die, aerospace, and general CNC machining. [2, 3, 5, 7, 8]

Common Designations & Sizes

DCMT 070204 (ISO): Popular for light to medium duty finishing.
DCMT 11T304: A larger version for higher depth of cut.
DCMT 21.51 (ANSI): Equivalent to 070204, with a 1/4" inscribed circle (I.C.) and 0.0156" (1/64") nose radius. [1, 7, 9, 10]

Benefits

Surface Finish: Provides superior surface finish on parts.
Durability: Premium-grade carbide provides excellent wear and heat resistance.
Versatility: Suitable for a wide range of materials and complex profiling, especially in boring bars. [3, 4, 11, 12]

DCMT inserts are frequently available from brands like Tungaloy, Kennametal, Iscar, and Taegutec, typically in 10-piece sets. [1, 13, 14]

AI responses may include mistakes.

[1] https://webshop.iscar.in/catalogue/product/1906273

[2] https://huanatools.com/ultimate-guide-to-dcmt-carbide-inserts/

[3] https://www.indiamart.com/proddetail/dcmt-insert-2855424446191.html

[4] https://www.indiamart.com/proddetail/turning-carbide-insert-dcmt-0-4-mm-2858876105730.html

[5] https://www.tradeindia.com/products/carbide-inserts-8997979.html

[6] https://www.aliexpress.com/i/1005003529422884.html

[7] https://huanatools.com/what-exactly-are-dcmt-inserts/

[8] https://webshop.iscar.in/catalogue/product/1907581

[9] https://carmex.com/products/turning-tools/family/carbide-shank-turning-holders/

[10] https://www.indiamart.com/proddetail/deskar-dcmt-070204-lf6118-2857727586497.html

[11] https://www.industrybuying.com/brands/diamond-104/tooling-and-cutting-638/tungsten-carbide-tipped-tools-239

[12] https://www.aliexpress.com/i/1005001505338652.html

[13] https://www.aliexpress.com/item/1005007596898642.html

[14] https://www.ubuy.tgproduct/4ZGPPO360-kennametal-10-pcs-dcmt-11t308mf-kcp25b-carbide-inserts-dcmt-3252mf-kcp25b

Precision and Durability for Industrial Use

This insert features precision ground edges and robust carbide composition to ensure consistent quality and extended tool life. Its gold or black coated surface optimizes both wear resistance and corrosion protection, especially suited for demanding cutting environments.

Engineered for Versatile Machining Applications

Built to industry ISO H7 tolerances, the insert fits seamlessly into DCMT holders, supporting reliable performance in turning, boring, and either external or internal cutting. Its positive rake geometry and available chip breakers enhance chip evacuation and machining efficiency.

FAQ's of DCMT carbide insert:

Q: How do I properly install the DCMT carbide insert into a tool holder?

A: Align the positive rake side of the DCMT insert with the clamping mechanism of your compatible DCMT holder, ensuring it sits flush against the seating surface before tightening the clamp. Follow manufacturer-recommended torque settings for secure installation.

Q: What are the main benefits of the TiN, TiAlN, or Al2O3 coating on these inserts?

A: These advanced coatings significantly improve wear resistance, extending tool longevity and maintaining a smooth finish on workpieces. They protect the carbide substrate from high temperature, corrosion, and abrasive environments typically encountered during cutting.

Q: When should I choose this insert for my machining operations?

A: This insert is ideal for turning, boring, and various machining applications requiring high surface precision, especially on metals up to 35 HRC. It is particularly suitable for jobs where dimensional accuracy and process reliability are priorities.

Q: Where can the DCMT carbide insert be used most effectively?

A: The insert is best suited for industrial environments, including manufacturing plants and metalworking shops, where compatible DCMT tool holders and utility machines are in use. Its versatility covers external and internal machining tasks.

Q: What is the insert's process for enhancing chip control?

A: Depending on the grade, the insert incorporates specialized chip breakers that optimize chip evacuation, preventing clogging and improving machining efficiency during high-speed cutting and interrupted cuts.

Q: How does the high hardness and ISO tolerance benefit my operations?

A: With a hardness rating of 92 HRA and ISO H7 tolerance, the insert ensures precise fits, high wear resistance, and predictable tool performance, reducing rework and maintaining consistent production quality.

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