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Selecting the appropriate turning inserts is crucial for achieving precise and efficient machining operations. The right insert not only enhances surface finish and dimensional accuracy but also extends tool life and reduces operational costs. Making an informed decision ensures optimal performance for your specific application.
Patent Pending: Our innovative tool and package design are currently under patent application. Unauthorized copying or imitation will face legal action. We will take all necessary measures to protect our rights against any infringement
Ultimate Machining Kit: Elevate your precision work with our all-in-one toolkit. Includes seven essential tools—SNR0012M11, S12M-SCLCR06, SDNCN1212H07, SER1212H16, SDJCR1212H07, SCLCR1212H06, MGEHER1212-2. Perfect for any project
Elevate Your Machining: Unlock precision with our 21pcs Indexable Lathe Turning Tool Set. Featuring 7 holders and 14 inserts, this set ensures smooth, high-precision cutting for professionals and DIY enthusiasts alike. Achieve flawless results every time
Built to Last: Our turning holders, crafted from cemented carbide and tungsten steel, deliver unmatched hardness and speed. Say goodbye to frequent tool changes—experience top-tier quality that stands up to the toughest jobs
🎄Feature: Suitable for finishing and semi-finishing of various steel, stainless iron and cast iron workpieces, such as 45# steel, Spring steel, H13 steel ,42Cr steel. Perform good even in very dirty environment
🎄Coating: CVD , Suitable for Steel and Stainless steel parts processing. Coating endows inserts strong impact resistance, good versatility with high precision, High finish and High wear resistance.
🎄Advantage: Wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up.Vacuum hardening, exquisite craftsmanship, easy cutting
Feature: DCMT11T304, Radius 0.4 inserts are suitable for finishing and semi-finishing of stainless iron. Perform good even in very dirty environment
Coating: CVD , DCMT21.5 baldes are used for Steel and Stainless steel parts processing. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance.
Advantage: Wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up.Vacuum hardening, exquisite craftsmanship, easy cutting.
🎄 Size: TCMT 21.51(TCMT110204), 3/32" Thick, 1/64" Radius, 7 degrees relief angle,triangle inserts for aluminum,steel and stainless steel;
🎄 Material: TCMT21.5 inserts are made of solid carbide with tin coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance
🎄 Application: tcmc21.51 carbide inserts are used for turning and finishing on stainless iron parts. Suitable for For S08K/S10K-STFCR11 Lather Turning Tool Holder
🎄 Advantage: the carbide blades tcmt110204 has feature of wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up.Vacuum hardening, exquisite craftsmanship, easy cutting.
●MATERIAL : lathe indexable carbide turning tool holders are made of quality 40Cr steel; The 40Cr steel material makes the turning tool durable and adaptable; Indexable carbide turning insert blades are made of cemented carbide and use TIN coating, the...
●SIZE : diameter of the holder is (5/8 x 5/8 inches/ 16 x 16 mm); Overall length is 3-7/8 inch/ 100 mm, cutting direction is right hand; applicable machine tool is lathe; each tool holder has a black oxidized smooth surface.
●EASY TO STORE : 33pieces indexable carbide turning inserts into 3 plastic boxes , each turning tool holder is placed in a plastic box, and Each box has a clear mark for easy identification of the product model, safe and easy to store.
Precision Geometry Design: Product model UE6020 has a sharper tip design to reduce cutting resistance. Chip breakers are included, which are more suitable for single long chip control under stable working conditions
Material: the whole is made of cemented carbide matrix with 3/32’ (2.38mm) thickness, combining high wear resistance, oxidation resistance and high temperature resistance, which can significantly extend tool life
Multi-scenario precision machining: suitable for steel, stainless steel, cast iron, and non-ferrous materials, covering semi-finishing and finishing scenarios, supporting high-speed, continuous cutting
More options: tcmc21.51 carbide inserts are used for turning and finishing on stainless iron parts. Suitable for For S08K/S10K-STFCR11 Lather Turning Tool Holder
Last update on 2026-10-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Turning Inserts
Insert Shape and Size
Insert shapes, such as square, round, triangular, and diamond, are selected based on the type of machining operation and the workpiece geometry. For example, square inserts are versatile for facing and turning, while round inserts are excellent for profiling and deep cuts. The size of the insert, often indicated by specific codes, needs to be appropriate for the depth of cut and the tool holder's capacity. Ensure the insert's corner radius is suitable for the desired surface finish and to avoid chatter.
Frequently Asked Questions
What is the difference between positive and negative rake angles?
Positive rake angles have a cutting edge that is angled upwards towards the workpiece, reducing cutting forces and ideal for softer materials. Negative rake angles have a cutting edge that is angled downwards, providing a stronger edge suitable for harder materials and heavier cuts.
How do insert coatings improve performance?
Coatings enhance insert performance by increasing wear resistance, improving heat dissipation, and reducing friction between the insert and the workpiece. This leads to longer tool life and better surface finishes.
What is the best insert material for machining hardened steel?
For machining hardened steel, Cubic Boron Nitride (CBN) is often the best choice due to its extreme hardness and heat resistance. High-quality carbide inserts with specific grades and coatings can also be effective for certain applications.
How does insert corner radius affect machining?
The corner radius influences the surface finish and the tendency for chatter. A larger radius can provide a smoother finish and better support for heavier cuts, while a smaller radius is better for lighter cuts and intricate details.
What is an insert grade?
An insert grade refers to the specific composition and manufacturing process of the insert material. Different grades offer varying balances of hardness, toughness, and wear resistance, making them suitable for different workpiece materials and cutting conditions.
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