The overall carbide left-handed external cooling reamer is a high-performance cutting tool, especially in machining that requires high precision and high surface quality. are some of the main applications of this reamer:

Automotive industry: In the process of automobile manufacturing, a large amount of metal cutting work is required, such as hole processing of engine parts, seats, oil holes, etc. The left-hand external cooling reamer is very suitable for these applications due to its high precision and good surface treatment capability

Mould manufacturing: In mould manufacturing, deep hole machining and machining of complex shapes are often required. The left-hand external cooling reamer can provide stable cutting process, reduce vibration during cutting, and improve machining accuracy and surface finish.

Mechanical Processing and Manufacturing: In the manufacturing of various mechanical equipment components, such as gears, bearings, and transmission systems, precision hole processing is required. Left-hand external cooling reamers can provide accurate hole diameters and smooth surfaces, meeting the high standards of mechanical processing requirements.

General Engineering and Construction: In architectural engineering and general engineering, it may also be necessary to use tungsten carbide drills for metal processing, especially processing structural steel or installing metal components.

The popularity of left-hand external cooling reamers also stems from their excellent cooling method, which allows coolant to be directly delivered to the cutting during machining. This helps reduce processing temperatures, extend tool life, and minimize chip adhesion, maintaining cutting efficiency. Additionally, the left-hand design is particularly useful specific machining directions or machines that require counterclockwise rotation, offering more flexibility and application possibilities.