FILI Low Air Pressure DTH Drill Bit

DTH Drill Bit Face Shape Options

1. Drop Center Bit

• Best For: Soft to medium rock and fractured formations
• Air Pressure: Low to medium
• Features: Offers excellent hole deviation control with high penetration rates

2. Concave Face

• Best For: Unconsolidated or broken rock, medium to hard rock formations
• Features: Helps reduce hole deviation for greater precision

3. Convex Face

• Best For: Soft to medium rock types like shale and limestone
• Air Pressure: Low to medium
• Features: Higher penetration rate, with enhanced wear resistance

4. Double Gauge Face

• Best For: Medium to hard rock formations
• Air Pressure: High
• Features: Enables faster penetration rates in tough conditions

5. Flat Face Bit

• Best For: Extremely hard and abrasive rocks, such as granite, basalt, and hard limestone
• Air Pressure: High
• Features: Ideal for durability and sustained performance in abrasive environments