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4-20mm Cutting Diameter Tapered Reamer with Shank Diameter 4-20mm and Helix Angle 35/38/40/45

4-20mm Cutting Diameter Tapered Reamer with Shank Diameter 4-20mm and Helix Angle 35/38/40/45

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Product Details
Cutting Diameter:
Number Of Flutes:
Cutting Length:
Helix Angle:
Flute Type:
Overall Length:
Suitable For:
Copper, Cast Iron, Carbon Steel, Mould Steel Etc.
Payment & Shipping Terms
Minimum Order Quantity
To be negotiated
Delivery Time
Payment Terms
Supply Ability
Product Description

Product Description:

Solid carbide reamers offer several advantages over other types of reamers, such as high-speed steel (HSS) reamers. Among those advantages is a remarkable level of hardness and wear resistance, which allows them to withstand high cutting speeds and temperatures without losing their cutting edge. This results in longer tool life and better performance. In addition, carbide reamers are usually manufactured with tight tolerances, ensuring precise hole dimensions and surface finishes, and they are used for applications involving high accuracy.
Moreover, these reamers provide excellent rigidity and stability during cutting operations and feature a solid carbide construction which allows for improved hole straightness. Additionally, they can be applied to a wide range of materials, including steels, stainless steels, cast iron, non-ferrous metals, and composites. Special flute geometries as well as chip breakers on some carbide reamers improve chip evacuation, thus preventing chip clogging.
It should be taken into account, however, that solid carbide reamers are generally more expensive than their HSS counterparts. Nevertheless, thanks to their long tool life and superior performance, they can become a cost-effective option for high-precision machining operations. And, as an additional reminder, proper cutting parameters, such as cutting speeds and feeds, should be followed to maximize tool life and deliver optimal results.



Solid carbide reamers are commonly used in various machining applications where precision, accuracy, and durability are crucial.
In the aerospace industry, solid carbide reamers are widely employed for machining critical components such as engine parts, landing gear, and airframe structures. These reamers enable the production of accurate parts with tight tolerances, ensuring optimal performance.
In the automotive industry, solid carbide reamers are utilized for machining engine blocks, cylinder heads, connecting rods, and other components. They help to create precise dimensions and smooth surface finishes for optimal performance and longevity of the automotive parts.
Solid carbide reamers are also used in medical applications for manufacturing orthopedic implants, surgical instruments, and other medical devices. They enable the production of accurate holes with excellent surface quality, which is critical for medical applications.
In the oil and gas sector, solid carbide reamers are employed for machining components used in drilling equipment, valves, pumps, and other critical parts. These reamers ensure the necessary precision and durability to withstand the demanding conditions of the industry.
Solid carbide reamers are utilized in the mold and die industry for machining intricate cavities and holes in molds, dies, and tooling. The reamers help achieve precise dimensions and surface finishes required for mold and die applications.
Solid carbide reamers are also used in general machining operations across various industries, such as metalworking, fabrication, and precision engineering. They are suitable for enlarging and finishing holes in a wide range of materials, ensuring accuracy and quality in the final product.

Technical Parameters:

Flute TypeStraight
Cutting DirectionRight Hand
Cutting Length20-60mm
CoatingCustomized Coating
Shank TypeStraight
Flute Length20-60mm
Shank Diameter4-20mm
Cutting Diameter4-20mm
KeywordsWelding Reamer, Spiral Flute Reamer, Carbide Reamer, Straight Flute Reamer



Solid carbide reamers are exceptional tools for ensuring precision and accuracy in machining operations. They are made with tight tolerances, typically in the range of a few microns (µm) or even submicron levels. This ensures that the reamers themselves have the precise dimensions needed to create consistent and reliable machined holes.
Given their wide-range of sizes and precisely regulated diameter increments, solid carbide reamers can achieve accurately sized holes, resulting in the desired fit and function with mating parts. What's more, the rigid construction of carbide reamers maintain their cutting edges in the correct position, allowing for the production of holes with excellent roundness and straightness.
In addition to controlling hole shape, solid carbide reamers can produce high-quality surface finishes, thanks to their sharp cutting edges and precise geometry. Furthermore, their ability to precisely control taper, concentricity, and other hole geometry factors makes them reliable and repeatable. As a result, machining operations with carbide reamers can be performed consistently across multiple workpieces, ensuring accurate hole dimensions and surface finishes.
It should be noted that achieving the optimal precision and accuracy with solid carbide reamers may depend on various factors such as cutting parameters, machine rigidity, and workpiece material. However, with the appropriate cutting conditions and the use of coolant or lubricant, the reaming process can be further enhanced.
In conclusion, solid carbide reamers are carefully designed and manufactured to assure the highest levels of precision and accuracy in machining operations.


Supal Solid Carbide Reamers provide you with a reliable and cost-effective solution for general reaming applications. Our reamers are available in several sizes, with shank diameters of 4-20mm and cutting lengths of 20-60mm. We offer helix angles of 35, 38, 40 and 45, and a range of numbers of flutes, including 4, 6 and 8. Our brazed reamers are made of high quality solid carbide for excellent durability and strength. Our carbide chamber reamers are designed for use in chambering applications. We also offer brazed reamers and carbide reamers.
Brand Name: Supal
Model Number: Reamer
Place of Origin: Changzhou,Jiangsu,China
Minimum Order Quantity: 5PCS
Price: To be negotiated
Delivery Time: 7-15Days
Payment Terms: T/T, PAYPAL, ALIPAY
Supply Ability: 100000000000PCS
Shank Type: Straight
Shank Diameter: 4-20mm
Number of Flutes: 4/6/8
Helix Angle: 35,38,40,45
Cutting Length: 20-60mm

Support and Services:

Solid Carbide Reamers Technical Support and Service

We offer technical support and service for our solid carbide reamers. Our knowledgeable technicians can help you select the right reamer for your application and answer any questions or concerns you may have. We also offer a wide range of services, from product installation and maintenance to repair and reconditioning.
Our customer service representatives are available to provide you with product information, technical advice, and assistance in selecting the right reamers for your application. We also provide training for our customers on the proper use and maintenance of our solid carbide reamers.
We proudly provide a one-year warranty on all our solid carbide reamers. In the event of any product failure, we will repair or replace it free of charge.

Packing and Shipping:

Packaging and Shipping

Solid carbide reamers are packaged in protective plastic cases to ensure secure shipping and handling. To ensure safe delivery, all orders are securely packed in sturdy cardboard boxes.

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