Solid carbide coolant twist drill
1)High quality ,competitive price
2) High precision
3) the best material

Solid carbide coolant twist drill

1. The solid carbide twist step drill bits have ultra fine substrate with various coating for a high level of wear-resistance and toughness.
2. Increased rigidity and low cutting forces provide high hole quality.
3. Higher productivity levels.
4. Inner/outer coolant are available