Your Trusted China Carbide Inserts Supplier

Premium China Carbide Inserts for Optimal Performance

Welcome to ONMY Tools, your go-to source for high-quality carbide inserts. As a leading carbide insert supplier, we specialize in providing premium China carbide inserts that meet the most demanding machining requirements. Our extensive range of products, including top-notch turning inserts, ensures that you’ll find the perfect solution for your manufacturing needs.

Welcome To ONMY Tools

In today’s competitive manufacturing landscape, precision is key to success. Carbide inserts play a crucial role in achieving the highest levels of accuracy and efficiency in machining operations. As an experienced China carbide inserts supplier, we understand the critical impact these small but mighty components have on your production processes.

Our China carbide inserts are engineered to deliver exceptional performance, durability, and cost-effectiveness. Whether you’re looking for turning inserts, milling inserts, or specialized solutions, we have the expertise and product range to meet your exact specifications.

Why Choose China ONMY Carbide Inserts ?

Unparalleled Quality and Precision

At ONMY Tools, we take pride in offering carbide inserts that meet the highest standards of quality and precision. Our inserts are manufactured using advanced techniques and premium materials, ensuring consistent performance and longer tool life. Each insert undergoes rigorous quality control checks to guarantee that it meets our exacting standards before reaching your hands.

Comprehensive Range of Products

As a leading carbide insert supplier, we offer an extensive selection of inserts to cater to various machining applications. From general-purpose turning inserts to specialized milling and drilling inserts, our catalog covers a wide spectrum of shapes, sizes, and grades. This diversity allows you to find the perfect insert for your specific needs, optimizing your machining processes and improving overall productivity.

Cost-Effective Solutions

Our position as a trusted China carbide inserts provider allows us to offer highly competitive pricing without compromising on quality. By choosing us as your turning inserts supplier, you benefit from the cost advantages of Chinese manufacturing combined with stringent quality control measures. This enables you to reduce your tooling costs while maintaining the high standards your production demands.

Industries We Serve

As a trusted China carbide inserts supplier, we cater to a wide range of industries, including:

The Advantages of Partnering with Us

Our team of experienced engineers is always ready to assist you in selecting the right carbide inserts for your specific applications. We provide comprehensive technical support, helping you optimize your machining processes and troubleshoot any issues you may encounter.

We understand the importance of timely delivery in maintaining your production schedules. As a responsive carbide insert supplier, we maintain a large inventory of standard inserts and offer quick turnaround times for custom orders. Our efficient logistics network ensures that your orders reach you promptly, minimizing downtime and keeping your operations running smoothly.

Every manufacturing process is unique, and sometimes off-the-shelf solutions aren’t enough. Our in-house research and development team can work with you to design and produce custom carbide inserts that perfectly match your specific requirements. This flexibility allows you to tackle even the most challenging machining tasks with confidence.

As a China carbide inserts supplier, we leverage the cost advantages of Chinese manufacturing while maintaining strict quality standards. This allows us to offer you highly competitive prices without compromising on the performance and reliability of our products. By choosing us as your turning inserts supplier, you can significantly reduce your tooling costs and improve your bottom line.

Our Commitment to Quality

Quality is at the heart of everything we do at ONMY TOOLINGS. As a reputable carbide insert supplier, we have implemented rigorous quality control measures throughout our production process. Our manufacturing facilities are equipped with state-of-the-art testing equipment, ensuring that each insert meets our exacting standards before it leaves our premises.

We are proud to hold ISO 9001:2015 and ISO45001 certification, demonstrating our commitment to maintaining a robust quality management system. Additionally, our products comply with international standards such as ANSI and DIN, guaranteeing compatibility and performance across various machining systems.

Our Happy Clients From 30+ Countries

James King

Factory owner

As a production manager in a precision machining company, I've worked with numerous suppliers over the years. However, our experience with this China carbide inserts provider has been exceptional. Their commitment to quality and consistency is unmatched. We initially approached them for a small order of carbide inserts, but their superior products and attentive customer service quickly made them our go-to carbide insert manufacturer. What sets them apart is their ability to customize inserts to our specific needs, ensuring optimal performance across various materials and cutting conditions. Their technical support team is always ready to assist, offering valuable insights that have significantly improved our machining processes. The durability of their inserts has notably reduced our tooling costs and increased our productivity. As a carbide insert manufacturer, they consistently deliver on time, even during peak seasons, which is crucial for our production schedule. Their competitive pricing, combined with the exceptional quality of their China carbide inserts, offers unbeatable value. I wholeheartedly recommend their services to any company looking to enhance their machining capabilities.

Finding a reliable carbide insert manufacturer can be challenging, but our partnership with this China-based company has been nothing short of transformative for our metalworking operations. Their extensive range of China carbide inserts caters to diverse applications, from general-purpose machining to specialized high-speed cutting. What impressed us most was their innovative approach to insert design. They utilize advanced coating technologies that significantly extend tool life, even in the most demanding cutting conditions. Their commitment to research and development is evident in the continuous improvements they make to their product line. As a carbide insert manufacturer, they've shown remarkable flexibility in accommodating our custom requirements, often developing tailored solutions for our unique challenges. Their quality control measures are rigorous, ensuring consistent performance across batches. We've seen a marked improvement in our surface finish quality and dimensional accuracy since switching to their inserts. Their technical team has been instrumental in optimizing our cutting parameters, resulting in increased efficiency and reduced cycle times. The durability of their China carbide inserts has allowed us to take on more aggressive machining strategies, boosting our overall productivity.

Joanna Foxx

Seasoned machinist

Felicity Trump

CNC Tool Dealer

In the competitive world of aerospace manufacturing, having a reliable carbide insert manufacturer is crucial. Our experience with this China carbide inserts supplier has been outstanding from day one. Their profound understanding of the stringent requirements in our industry sets them apart. The China carbide inserts they provide consistently meet and often exceed the high standards we demand for our critical components. What truly distinguishes them as a carbide insert manufacturer is their commitment to innovation. They've introduced us to cutting-edge insert geometries and coatings that have revolutionized our machining processes, particularly for difficult-to-machine materials like titanium and Inconel. Their technical support is unparalleled; they don't just sell inserts, they partner with us to optimize our entire machining strategy. The longevity of their inserts has significantly reduced our tool change frequency, minimizing downtime and increasing our output. As a China-based manufacturer, they offer competitive pricing without compromising on quality, helping us maintain our edge in a cost-sensitive market. Their ability to rapidly prototype and produce custom inserts has been invaluable for our specialized projects. We've seen substantial improvements in our surface finish quality and dimensional accuracy, critical factors in aerospace applications.

Frequently Asked Questions

What are carbide inserts used for?

Carbide inserts are primarily used in metalworking for various machining processes due to their hardness, wear resistance, and ability to retain a cutting edge at high temperatures. Here’s a closer look at the applications where carbide inserts are used:

Turning Operations: In lathes, carbide inserts are used to remove material from a rotating workpiece to shape and size it. This can include both external and internal turning processes.
Milling Operations: They are employed in milling machines or machining centers to remove material from a stationary workpiece with a rotating cutting tool.
Drilling Operations: Carbide inserts are used in drill bits for creating holes in workpieces.
Boring Operations: They’re instrumental in enlarging and finishing holes that have already been drilled.
Threading and Tapping: Inserts are designed for cutting threads on the inside (tapping) or outside (thread milling) of a workpiece.
Parting and Grooving: Specialized carbide inserts are used to create narrow grooves in a workpiece or to cut off parts of material.
Face Milling Operations: They are applied in face milling tools to generate flat surfaces.
Gear Cutting: Some inserts are specially designed for cutting gears.
Finishing Operations: Fine-grained carbide inserts are used for finishing operations where high-quality surface finishes are required.
Heavy Roughing: Carbide inserts with tough substrates and strong edges are used for heavy roughing applications where high material removal rates are necessary.

The diversity of carbide inserts—available in numerous shapes, sizes, and coatings—enables them to be tailored for specific materials and cutting conditions, making them versatile tools in the machining industry. They are commonly used in manufacturing sectors such as automotive, aerospace, and metal fabrication.

How are carbide inserts made?

Carbide inserts are made through a precise and multi-step process that involves powder metallurgy and advanced manufacturing techniques. Here is an overview of the key stages in the production of carbide inserts:

1. Powder Preparation

The first step involves creating a fine powder mixture of tungsten carbide (WC) and a binder, usually cobalt (Co) or nickel (Ni). Tungsten carbide provides the hardness and wear resistance, while the binder metal ensures toughness. Additional elements may be added to the powder to tailor the physical properties of the final product for specific applications.

2. Milling

The powder mixture undergoes ball milling, where it is mixed and ground for several hours to ensure homogeneity. This step is crucial for achieving the desired consistency and performance characteristics in the final product.

3. Compacting or Pressing

After milling, the powder is placed in a mold and compacted under high pressure to form a “green” insert. This process is typically done using either a hydraulic or mechanical press. The green insert has the shape of the final product but is still fragile and porous.

4. Pre-Sintering (Optional)

Some manufacturing processes include a pre-sintering stage, where the green inserts are heated at a lower temperature to remove any potential contaminants and to slightly increase their strength for easier handling during the sintering process.

5. Sintering

The green inserts are sintered in a furnace under a controlled atmosphere at temperatures ranging from 1300°C to 1500°C. During sintering, the binder metal melts and acts as a glue to bond the tungsten carbide particles together. The insert shrinks and densifies, acquiring its final strength, hardness, and wear resistance. The precise control of temperature, atmosphere, and time during sintering is crucial for the quality of the final product.

6. Post-Sintering Processing

After sintering, the inserts may undergo various post-processing steps, including:

Grinding: To achieve precise dimensions, specific profiles, and sharp edges.
Polishing: To enhance surface finish.
Coating: Many carbide inserts receive one or more thin, hard coatings, such as titanium nitride (TiN), to further improve their performance by reducing wear and friction. Techniques like Chemical Vapor Deposition (CVD) or Physical Vapor Deposition (PVD) are commonly used for coating.

7. Quality Control

Throughout the manufacturing process, rigorous quality control measures are in place. After production, inserts undergo inspections for dimensions, material composition, and mechanical properties to ensure they meet the specified standards.

This manufacturing process allows carbide inserts to achieve the exceptional hardness, wear resistance, and toughness required for cutting, milling, turning, and various other machining operations.

How to identify carbide inserts?

Identifying carbide inserts involves understanding the various coding and classification systems used by manufacturers to specify the characteristics of their products. These codes typically provide information about the insert’s shape, application, material, coating, and other critical features. Here’s a basic guide on how to decode these identifiers:

1. Shape and Relief Angle

The first part of the insert’s code usually refers to the geometric shape (e.g., triangle, square, rhombus) and the relief angle. Common shapes have specific letter codes, such as:

C for 80° diamond (rhombic)
D for 55° diamond
R for round
S for square
T for triangle

2. Tolerance and Size

Following the shape classification, there is typically a designation for the insert’s tolerance and size. Tolerance codes indicate the manufacturing tolerances of the insert’s dimensions, which can affect the insert’s suitability for precision applications. Size is often given as a number representing either the inscribed circle diameter (for round inserts) or the edge length for other shapes.

3. Type of Insert Hole (if any) and Cutting Edge Length

Some inserts have a hole for mounting, and the code might include letters or numbers indicating the presence and type of this hole. The cutting edge length or the insert thickness might also be encoded.

4. Chipbreaker Type

Many inserts include a chipbreaker design, which is crucial for managing the chips produced during cutting. The code might include specific letters or numbers indicating the type of chipbreaker.

5. Material and Coating

The insert material and any coatings are also specified. Material codes designate the base carbide composition and are crucial for selecting an insert for a given material or cutting condition. Common coatings (like Titanium Nitride – TiN, Aluminum Oxide – Al2O3) have their specific codes as well.

6. Manufacturer-Specific Coding

On top of these general coding conventions, manufacturers often include their unique identifiers and series names that provide additional information or denote specific product lines.

How to Identify When Unsure:

Manufacturer’s Catalog: Many manufacturers provide detailed catalogs (often online) that explain their coding systems and allow you to match specific codes to insert types.
Manufacturer’s Website or Support: Visiting the manufacturer’s website or contacting their support team can provide direct information about an insert.
Comparison: Visually compare the insert against known samples or images from catalogs. This can help with identifying shape, size, and potentially even material or coating based on color and finish.

Properly identifying carbide inserts is essential for ensuring they are matched correctly to both the workpiece material and the intended machining operation. Misidentification can lead to suboptimal performance, increased tool wear, or damage to the workpiece.

How to measure carbide inserts?

Measuring carbide inserts correctly is crucial for ensuring they fit the tool holder accurately and perform the desired machining operations effectively. There are several dimensions you may need to measure:

IC (Inscribed Circle Size): This is applicable to inserts that are round, triangular, square, etc. It’s the diameter of the largest circle that can fit within the insert’s edges.
Thickness (T): The distance from the bottom to the top surface of the insert.
Nose Radius (R): If the insert has a rounded cutting point, this is the radius of that curve, which affects the finish of the cut.
Length (L) and Width (W): For rectangular inserts, these are the lengths of the sides. For others, it may refer to the distance from corner to corner.
Corner Angle: The angle of the cutting corners for inserts that are not round.

How to Measure These Dimensions:

Using Calipers:

Digital calipers are commonly used to measure inserts. Here’s how you would measure each dimension:

IC: Place the calipers across the insert to measure the inscribed circle.
Thickness: Close the caliper’s jaws over the thickest part of the insert, which is typically the center.
Nose Radius: Use the calipers or a radius gauge to measure the curve at the tip of the insert.
Length & Width: Place the calipers along the edges to measure the length and width.

Using Micrometers:

Micrometers provide more accurate measurements than calipers and can be used where precision is critical.

Thickness: Use an outside micrometer to measure from the bottom to the top of the insert.
Length, Width & IC: Measure between appropriate faces to get the length or width. For inscribed circle size, measure across the insert diagonally.

Using Manufacturer’s Specifications:

If available, refer to the manufacturer’s specifications for the insert size. The code on the insert often includes this information, as explained in the identification step.

Specialty Tools:

Some dimensions may require specialty measuring tools or gauges. For example, a radius gauge may be necessary to measure the nose radius accurately.

Optical Comparators and CMMs:

For large-scale or very precise measurements, tools such as optical comparators or Coordinate Measuring Machines (CMMs) can be used.

Other Considerations:

Edge Wear: Measure the dimensions in a few places to account for potential edge wear.
Safety: Ensure that you handle the inserts carefully, particularly if they have sharp edges.

When measuring, keep in mind the tolerances and the margin of error of your measuring device, and ensure to keep the instruments calibrated for consistent and accurate readings. In a professional setting, these dimensions are often dictated by the insert’s standard specifications (ANSI or ISO codes), which will match the designated measurements.

What are carbide inserts?

Carbide inserts are replaceable and usually indexable bits of cemented carbide used in machining steels, cast iron, high-temperature alloys, and nonferrous materials. They serve as one of the most critical components in many types of industrial tools and machinery.
Carbide inserts are used in manufacturing because they can withstand higher temperatures than high speed steel, providing an extended cutting life. They are designed to provide faster machining and withstand interrupted cuts.
Here are some key characteristics and uses of carbide inserts:

Material: They are typically made from tungsten carbide, a very tough material that can withstand high temperatures and is highly resistant to wear. This allows the inserts to maintain a sharp cutting edge even when machining tough materials.

Design: Most carbide inserts are indexable, meaning they have more than one cutting edge. When one edge wears out, the insert can be turned around to use another edge. This design can significantly increase the life of a single insert.

Application: Carbide inserts are widely used in cutting tools for the metalworking industry, in lathes, milling machines, and CNC machines. They can handle a wide range of machining tasks, including turning, boring, threading, and grooving.

Varieties: They come in various shapes (e.g., round, square, triangle) to suit different kinds of cutting tasks. They may also come with various coatings that can further extend their life and improve their performance.

Accessibility: They are replaceable. Once the cutting edges of a carbide insert are worn or damaged, instead of discarding the entire tool, you can just replace the insert.

Production Efficiency: Carbide inserts offer improved production rates, better finishes on parts, and they can hold size with better accuracy.

Note that while carbide is a hard material and can handle various machining tasks effectively, it’s also quite brittle. Therefore, carbide inserts might not be the best choice for applications with high mechanical shock or vibration.

What is an inscribed circle related to carbide inserts?

The Inscribed Circle (IC) is a key dimension related to carbide inserts, particularly in the context of their size and shape classification. Essentially, it is the diameter of the largest circle that can fit entirely within the boundaries of the insert’s shape. This measurement is important because it provides a standard way to categorize the size of the insert, regardless of its other dimensions or outer shape.

Carbide inserts come in various geometric shapes such as triangular, square, rhombic, and round. The inscribed circle measurement offers a way to compare these different shapes on a common basis:

For Triangle Inserts: The IC is the diameter of the largest circle that fits within the three points (corners) of the triangle.
For Square or Rhombic Inserts: The IC is determined by the largest circle that fits within the four points of the square or rhombus, effectively touching the midpoints of each side.
For Round Inserts: The IC corresponds to the diameter of the insert itself since a circle’s boundary fits perfectly around itself.

The IC is crucial for several reasons:

Tool Holder Compatibility: It helps in determining which inserts fit into specific tool holders or bore sizes.
Performance Considerations: The size of the IC can also impact the performance of the insert in terms of cutting forces and stability.
Standardization: It provides a standardized measure to discuss and compare inserts, facilitating easier identification and selection for specific applications.

In practical terms, when you’re selecting or discussing carbide inserts, mentioning the IC along with the insert’s shape code (indicative of the insert’s overall geometry) gives a clear picture of the insert’s size and how it might be used in machining operations. Understanding the IC is crucial for engineers, machinists, and tool managers for efficient and precise tool selection and inventory management.

How to choose carbide inserts?

Choosing the right carbide insert for your specific machining operation can have a significant impact on performance, productivity, and cost-effectiveness. Several factors should be considered while selecting carbide inserts:

Material to be Machined: The type of material you’re cutting greatly influences the choice of insert. For example, hardened steels may require a harder and more wear-resistant grade of carbide, whereas softer materials could benefit from a tougher insert that can withstand chip deformation without breaking.
Type of Operation: Different operations such as turning, milling, drilling, boring, or threading each have specific insert requirements. For instance, roughing operations might require an insert with a tougher grade and a larger nose radius, while finishing operations might need a harder grade with a sharp cutting edge and a smaller nose radius.
Machining Conditions: This includes cutting speed, feed rate, depth of cut, and coolant availability. Higher cutting speeds and deeper cuts often require harder, more wear-resistant carbide grades.
Insert Shape: The shape of the insert should match the requirements of your specific application. For instance, round inserts provide the strongest cutting edge and are preferred for high-feed milling operations, while square or rhombic inserts provide more edges and are versatile across different operations.
Insert Size: The size of the insert (usually described by the inscribed circle diameter) needs to be compatible with your tool holder and should match the scale of your operation.
Insert Grade: The carbide grade should be chosen based on the material and the type of operation. A P-grade is often used for steel, M-grade for stainless steel, and K-grade for cast iron. Harder grades are generally more wear-resistant, while tougher grades can withstand more shock and vibration.
Coating Material: Coated carbide inserts can provide increased hardness, heat resistance, and longer tool life. However, the choice of coating will depend on the workpiece material and the machining conditions.
Chipbreaker Style: The style of the chipbreaker will depend on the material and type of operation. A chipbreaker helps in controlling the chip flow and direction. Some are designed for finishing operations while others are designed for roughing operations.

Remember, supplier catalogs and technical representatives can also be excellent resources when determining the best carbide insert for your application. Reach out to them with your specific requirements, and they can help guide you to an insert that will provide optimal performance.

What is a carbide turning insert?

A carbide turning insert is a detachable cutting tool used in turning operations on lathes and turning centers. These inserts are made from carbide, a very hard material that consists of tungsten carbide (WC) particles bonded together with a metal binder, typically cobalt (Co). Their primary function is to remove material from a rotating workpiece to shape and size it according to specifications.

Carbide turning inserts come in various shapes, sizes, and grades to suit different materials, cutting conditions, and machining processes. Here’s an overview of their characteristics and uses:

Characteristics:

Hardness and Wear Resistance: Carbide is significantly harder than the materials it cuts, providing excellent wear resistance and the ability to maintain a sharp cutting edge at high temperatures.
Material Specificity: Different grades of carbide are formulated to optimize performance across a range of materials, including steel, stainless steel, cast iron, non-ferrous metals, and exotic alloys.
Shape and Size: Common shapes include triangular, square, rhombic, and round, each offering different angles and numbers of cutting edges. The inscribed circle (IC) diameter is a key dimension that describes the size of the insert.
Coating: Many carbide inserts are coated with materials like Titanium Nitride (TiN), Titanium Carbonitride (TiCN), and Aluminum Oxide (Al2O3) to enhance hardness, wear resistance, and reduce friction.

Uses:

External Turning: Shaping the external surface of the workpiece, including straight, tapered, and contoured sections.
Internal Turning (Boring): Enlarging and finishing holes or machining the inner surface of hollow workpieces.
Facing: Cutting a flat surface perpendicular to the workpiece’s rotational axis.
Thread Cutting: Producing internal or external threads.
Grooving and Parting: Cutting narrow grooves or separating a part from the rest of the workpiece.

Selection Factors:

When choosing a carbide turning insert, consider:

The material of the workpiece: Different materials require different carbide grades and coatings.
The type of turning operation: Specific shapes and edge preparations optimize performance in roughing, finishing, and other operations.
Machining conditions: Cutting speed, feed rate, and depth of cut influence the grade and geometry of the insert.
Tool holder compatibility: The insert must fit the holder used on the machine.

Carbide turning inserts are crucial in modern manufacturing, offering high productivity and long tool life in a wide variety of turning applications. Their ability to perform at high cutting speeds and withstand challenging conditions makes them an essential tool in the metalworking industry.

How to read carbide inserts?

Reading carbide inserts involves understanding the alphanumeric codes inscribed on them. These codes provide essential information about the insert’s shape, size, thickness, tolerance, nose radius, and material grade, among other specifications. Let’s break down what these codes typically represent, so you can understand how to read carbide inserts:

1. Shape

The first character(s) usually denote the insert’s geometric shape. Common shapes include:

C (80° Diamond)
D (55° Diamond)
R (Round)
S (Square)
T (Triangle)
V (35° Diamond)

2. Relief Angle

The second character indicates the relief angle, which affects the strength of the cutting edge. Common angles include:

N (0°)
A (3°)
B (5°)
C (7°)
D (15°)
E (20°)
F (25°)
G (30°)

3. Tolerance & Insert Type

The third character often reflects both tolerance and type (whether the insert is for turning, milling, etc.). Each manufacturer might have specific codes for these properties.

4. Size

The fourth character typically represents the insert size, usually indicating the Inscribed Circle (IC) diameter, measured in increments based on the manufacturer’s system (e.g., millimeters or 1/8 inches).

5. Thickness

Following the size code, the next character denotes the thickness of the insert. This is also often based on a numbering system that may vary between manufacturers.

6. Cutting Edge Length or Shape

This part of the code could describe additional details about the cutting edge length or the specific shape features of the insert.

7. Nose Radius

This is usually represented by a two-digit number towards the end of the code, indicating the nose radius in millimeters or fractions of an inch. The nose radius affects the surface finish and strength of the cutting edge.

8. Chipbreaker Type

If present, this code identifies the chipbreaker geometry, which is crucial for effective chip control during cutting operations.

9. Insert Grade

Lastly, there’s often a separate code that indicates the insert’s material and coating, signifying the insert’s compatibility with different workpiece materials and cutting conditions.

It’s important to note that while there is a general framework for these codes, specifics can vary between manufacturers. Therefore, always refer to the manufacturer’s documentation to accurately interpret the coding on a carbide insert. Understanding these codes helps in selecting the appropriate insert for your machining needs, ensuring efficiency, longevity, and optimal performance in your operations.

Our Ordering Process

Ordering from ONMY Tools is simple and straightforward:

Browse our online catalog or contact our sales team for product information.
Select the desired carbide inserts or request a custom quote.
Provide your specific requirements and quantity needed.
Review and confirm your order details.
Choose your preferred payment method and complete the transaction.
Receive order confirmation and estimated delivery date.
Track your shipment and prepare for arrival.

For large or recurring orders, we offer streamlined processes and potential volume discounts. Contact our sales team to discuss your specific needs.

Your Reliable China carbide Inserts Supplier

Ready to experience the difference of working with a top-tier carbide insert supplier? We’re here to assist you