คุณลักษณะ

• With a candle-shaped carbide tip and a thinner cutting edge, the workpiece is pierced sharply to improve drilling speed.
• The center point at the tip of the carbide tip demonstrates outstanding positioning performance, allowing drilling close to a circle.
• The center point suppresses core wobbling during drilling and reduces vibration burden during work.
• This is a set of the same size.
• Work Material: Concrete, Block, Mortar, Japanese Wall.