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SJNTEC DRILL INTRODUCTION
SJNTEC is one of the largest special drill manufacturers in Korea.
The ISO international standard which has been applied to all the products is a pride of our company.
And, by providing the drills with the excellent qualities, we have been receiving the love of the customers.
We use the best materials based on data and experience through large number of tests,
and quality control department conducts quality inspection regularly in all processes.
Once a production starts up, check all the manufacturing process thoroughly to determine whether
the drills are manufactured completely.
As a leading drill manufacturing company in Korea, our goal is not only the provision of the products possessing
the highest quality at the prices that have the top competitiveness to the customers
within a quick time but, also, to build up the high level of awareness and trust from the countless customers
in the whole world with our company’s creed and devotion.
SJNTEC DRILL FEATURE
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Standards
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management
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of tests
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DRILL PRODUCT TYPE
![](images/dril-pro.png)
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01 Helical Drill
The drills are designed to work with
hard materials such as steel, cast iron,
and SUS. It is easy to release chips and
the drills are suitable for high speed
machining.
High-speed
processing
Hard
material
![](images/dril-pro2.png)
02 Burnishing Drill
Even without a guide bush or center
drilling. There is good precision and
roughness.
Good
Roughness
Good
Precision
![](images/dril-pro3.png)
03 MF Drill (Multi Flute)
MF Drill consists of 1 main flute and 1
or more sub flutes. Straightness is ex-
cellent in deep hole processing.
Main and
Sub flutes
Straightness
is Excellent