Interchangeable tip drill for countersinking with a 180° flat end and a flat front.
A drill with a replaceable cutting edge for counterboring, featuring a flat tip angle of 180°, capable of non-step processing without a pilot hole on inclined surfaces and intersecting holes, suitable for a wide range of applications.
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basic information
1. Tool exchange is economical with chips only. Chip exchange is also easy. 2. Non-step processing is possible on inclined surfaces and intersecting holes without a pilot hole. 3. The new material <JC7550> and unique internal lubrication method achieve long life even with pre-hardened steel and stainless steel. 4. The main body is specifically designed for Taira drills, and the adoption of a high-rigidity "G-Body" improves the rigidity of the main body, enabling stable processing. 5. In drilling thin plates, there is less burr generation compared to general drills. 6. In addition to chip sizes of φ14 to φ32 with a 0.5 mm increment, we have added 48 part numbers with a 0.1 mm increment for φ14 to φ20 in this lineup.
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Applications/Examples of results
Achieves long life even with pre-hardened steel and stainless steel due to the new material type <JC7550> and a unique internal lubrication method.
Line up（2）
| Model number | overview |
|---|---|
| TLZD type | TA Taira drill main body |
| TLZ type | TA Taira drill chip |
catalog（2）
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Company information
Since our founding in 1938, we have recognized the potential of cemented carbide in industry and have independently pioneered innovations in cemented carbide tools and the evolution of processing. Based on the powder metallurgy technology cultivated in cemented carbide manufacturing, we have successively introduced innovative technologies to the market, including the world's first practical application of conventional cermet chips, the development of ball end mills and drills with spiral cutting edges, and end mills with twisted cutting edges. In recent years, we have created highly original new technologies in various fields, such as diamond and cemented carbide integrated sintered products, cemented carbide for irregular gear forming molds, and tool materials made from rare metal-reduced alloys, which we sell worldwide. In addition to developing materials and products, we consistently conduct in-house production from the preparation of raw powders, ensuring stable high-quality products, which we believe has earned us the trust of our customers. Today, there are very few products in the world that do not undergo machining processes such as cutting or plastic processing. Even in the realm of advanced science, the advancement of processing technology is essential for practical application and industrialization. In this era of global competition, we will challenge new fields without being bound by convention, adhering to the philosophy that "management is creation" and "richly creative technology development" to contribute to the world.
![[Processing Example] Switching to TA drill for large diameter hole machining of SUS304.](https://image.mono.ipros.com/public/product/image/e59/2001180868/IPROS04475980614706054447.png?w=280&h=280)
![[Processing Example] Drilling of holes on the cylindrical surface of SUS304.](https://image.mono.ipros.com/public/product/image/bde/2001180874/IPROS07835834837472133224.png?w=280&h=280)
