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Contact name:
Beijing Silk Road Enterprise Management Services Co.,LTD |
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R32 76mm Rock Carbide Drill Bits
Specifications
our dominant drill bits are chisel bits, cross bits, buttons bits,
DTH bits
We are a professional company which is specialized in making and researching on drilling equipments as well, and our dominant products are chisel bits, cross bits, buttons bits, DTH bits with high, medium and low air pressure, symmetric drilling tools, eccentric drilling tools, standardized API system casings, bit shanks and casing tubes which are fit for hydraulic drilling equipments.
What is the advantage of our Button Bit ?
1. Material: 100% virgin raw material with submicron grain size;
2. Grade: Various grades for choice;
3. Advanced production equipments and testing equipments
4. Precision Ground and polished;
5. High wear resistance,high hardness and impact toughness;
6. Samples & small orders are acceptable.
What is the Bit Shape Selection of our Button Bit?
Bit Face Shape | Application |
Drop Center Bit | For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control. |
Concave Face | The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity. |
Convex Face | For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control. |
Double Gauge Face | This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit. |
Flat Face Bit | This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash. |
Carbide button shape selection:
1. Domed/Round Button
2. Parabolic/Semi-Ballistic Buttons
3. Ballistic Button
4. Sharp Button
5. Flat Button
Thread R32 (1 1/4") | ||||||
Dimensions D |
| Flushing hole(mm) |
| Buttons(mm) |
| Angle |
mm | in | Front No Size | Gauge No Size | Front No Size | Gauge No Size |
|
45 | 1 3/4 | 1*5.5 | 2*5.5 | 2*9 | 5*11 | 30° |
48 | 1 7/8 | 2*6 | 1*5 | 2*9 | 5*11 | 30° |
51 | 2 | 2*6 | 1*5.5 | 2*10 | 5*11 | 30° |
43 | 1 2/3 | 2*5 | 2*5 | 2*8 | 6*9 | 30° |
45 | 1 3/4 | 2*5 | 2*5 | 2*9 | 6*10 | 30° |
48 | 1 7/8 | 2*5.5 | 2*5 | 2*9 | 6*10 | 30° |
43 | 1 2/3 | 3*4 | 2*5 | 3*8 | 6*10 | 30° |
45 | 1 3/4 | 3*5 | 1*5 | 3*8 | 6*10 | 30° |
48 | 1 7/8 | 3*5 | 1*5 | 3*9 | 6*10 | 30° |
54 | 2 1/8 | 3*6 | 1*5.5 | 3*10 | 6*11 | 35° |
45 | 1 3/4 | 3*5 | 1*5 | 3*8 | 6*10 | 30° |
48 | 1 7/8 | 3*5 | 1*5 | 3*9 | 6*10 | 30° |
51 | 2 | 3*5.5 | 1*5.5 | 3*9 | 6*10 | 35° |
54 | 2 1/8 | 3*6 | 1*5.5 | 3*10 | 6*11 | 35° |
57 | 2 1/4 | 3*6 | 1*6 | 3*10 | 6*11 | 35° |
64 | 2 1/2 | 3*7 | 1*6 | 4*10 | 6*11 | 35° |
