High Efficiency Hard Rock Borehole COP32 90mm Dth Hammers Drill Bits
Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.
Our variety of Down the Hole drill bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life. We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.
Convex facing : The convex face is especially dedicated for hard abrasive rocks.
Flat facing : The flat face is suitable for all types of formation and especially dedicated to changing formation.
Concave facing : The concave facing is especially dedicated for deep depth (hole) drilling.
Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button
COP32 DTH Bit Specification
DTH Button Bit | Diameter | Buttons and Size (mm) | Flushing hole | Weight | ||
mm | inch | Gauge | Front | kg | ||
COP32 | 85 | 3 1/3 | 6x13 | 4x12 | 2 | 4.2 |
90 | 3 5/9 | 6x14 | 4x12 | 2 | 4.5 | |
95 | 3 3/4 | 6x14 | 5x12 | 2 | 4.7 | |
100 | 3 8/9 | 8x12 | 6x12 | 2 | 5 | |
105 | 4 1/8 | 8x13 | 6x12 | 2 | 5.3 |