기능

• High-speed drilling is possible due to drastic core run-out.
• This is an essential item for automotive sheet metal.
• our company's unique cross-sectional cutting blade shape provides the best sharpness and durability.
• The life of this product is further extended by using a small amount of cutting oil.
• When using an air drill or an electric drill for 10 mm or more, around 800 revolutions is effective.
• Long type.