R32 76mm Normal Thread DTH Button Bit for Mining Drilling - 3" Diameter with Carbide Inserts
Professional R32 76mm normal thread DTH button bit designed for mining and quarrying operations. Features multiple carbide insert options, optimized flushing systems, and compatibility with shank rods. Ideal for drifting, tunneling, and dimensional stone quarrying with high drilling efficiency in hard rock formations.
Usage
Hole Drilling
Place of Origin
CHINA
Use
Blasting
Packaging Details
WOODEN CASE
Color
Blue,Golden,other color available,Blue and yellow
Material
Tungsten Carbide & Steel
Product Description
R32 76mm Normal Thread DTH Button Bit Overview
The R32 76mm normal thread DTH button bit is engineered for high-performance mining and drilling operations. Designed with precision carbide inserts and optimized flushing systems, this bit delivers exceptional durability and drilling efficiency in challenging rock conditions.
Product Specifications
Core Parameters
Connection: R32
Diameter: 76mm (3")
Available Diameters: 43mm, 45mm, 48mm, 51mm, 57mm, 64mm, 76mm
Skirt Body Options: Retrac and Normal
Face Designs: Flat, Concave
Carbide Insert Shapes: Spherical, Ballistic, Semi-ballistic
Technical Parameters Table
| Bits (mm) | Diameter (in) | Front Buttons | Gauge Buttons | Angle | Flushing Hole |
|---|---|---|---|---|---|
| 41 | 1 5/8" | 2x 8 | 5x9 | 30° | 1 |
| 43 | 1 11/16" | 2x 9 | 5x10 | 35° | 1 |
| 45 | 1 3/4" | 2x 9 | 5x11 | 35° | 1 |
| 48 | 1 7/8" | 2x 9 | 5x11 | 35° | 1 |
| 51 | 2" | 2x 10 | 5x12 | 35° | 1 |
| 43 | 1 11/16" | 2x 9 | 6x9 | 35° | 2 |
| 45 | 1 3/4" | 2x 9 | 6x10 | 35° | 2 |
| 43 | 1 11/6" | 3x 8 | 5x9 | 30° | 3 |
| 45 | 1 3/4" | 3x 8 | 6x10 | 35° | 3 |
| 48 | 1 7/8" | 3x 9 | 6x10 | 35° | 3 |
| 51 | 2" | 3x 9 | 6x10 | 35° | 3 |
| 57 | 2 1/4" | 3x 10 | 6x10 | 35° | 3 |
| 64 | 2 1/2" | 3x 12 | 6x12 | 35° | 3 |
| 64 | 2 1/2" | 4x 10 | 8x10 | 35° | 2 |
| 76 | 3" | 4x 12 | 8x12 | 35° | 2 |
| 76 | 3" | 1x 12, 3x 12 | 6x14 | 35° | - |
| 89 | 3 1/2" | 1x 10, 6x 12 | 8x12 | 35° | - |
| 102 | 4" | 3x 12, 4x 12 | 8x14 | 35° | - |
Top Hammer Drilling Features
- Optimal for hole diameters between 25-127mm
- Typically used for hole depths less than 25 meters
- Adapts well to stable and uniform hard rock formations
- Supports compressed air or water as flushing medium
- High efficiency in shallow hole drilling applications
- Compatible with shank rods, MM and MF Hex drifter rods
Applications
- Mining and quarrying drilling operations
- Mining exploration drilling projects
- Piling and foundation drilling applications
- Water well drilling installations
- Geothermal drilling systems
- Horizontal directional drilling operations
- Dimensional natural stone quarrying
Frequently Asked Questions
What is top hammer drilling?
In top hammer drilling, percussive force is generated at the top of the drill string and transmitted through drill rods to the bit, making it ideal for shallow to medium depth drilling in hard rock formations.
Top hammer drilling vs down-the-hole drilling?
The key distinction lies in hammer placement: top hammer systems position the hammer above ground at the drill string's top, while DTH systems place the hammer directly behind the bit down the hole.
How does Top Hammer Drilling work?
Hydraulic drilling rig pistons generate percussive force transmitted through shank adaptors and drill pipes to the bit, with air compressors handling dust removal and slagging operations.
What is the difference between percussion and rotary drilling?
Percussion drilling uses repeated impact forces from a heavy bit, while rotary drilling relies on continuous scraping under constant pressure for rock penetration.
Ordering Information
Specify: Diameter + Thread + Skirt Shape + Face Design + Insert Shape
Product Images
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Price: 9-99999USD/PC
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