Changsha Adriller Machinery Co.,Ltd. |
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Tungsten Carbide Down The Hole Hammer Bits DTH Drill bit Without Foot Valve
Description:
With a Unique Structure ,It’s Has a Higher Lifetime And Drill Speed .It’s Suitable For Embedded Rotary Drill Bit Of Medium Drilling Machine For Drilling Medium Hard And Rather Hard Rock Formations Of Class f=14-16
Application:
Mining, quarry, road building, well hole drilling, blasting, landslide prevention, dam reinforement, anchoring, geothermal, hydrology, etc.
Feature Advantage:
1. Non-Blocking:Our S-series DTH hammers are proved to ensure extremely low rate of blocking during it works.
2. High Efficiency:The well drilling equipment carries with larger power of impact frequency and torque, thus ensuring faster penetration. Compared with others, the efficiency can be improved 10%.
3. Longer Service Life:All surfaces of the DTH hammer and bits are treated by anti-friction and intensified technology. When used in deep-hole drilling works, it can reach at 5000 meters or more.
4. Excellent Cleaning Effect: This DTH tool has large air output, which specially designed for water well users and enables it to flush out cuttings in deep hole drilling
Specifications:
Diameter | Face Type | Buttons x Dia (inch) | Flushing Holes | Weight Approx. | ||||
mm | inch | Outer | Inner | Front | Kgs. | Lbs. | ||
200 | 7 7/8 | Concave | 10 x 3/4” | 6 x 3/4" | 7 x 3/4" | 2 | 49 | 108 |
203 | 8 | Flat | 10 x 3/4” | 4 x 3/4" | 8 x 5/8" | 2 | 49 | 108 |
203 | 8 | Concave | 10 x 3/4” | 6 x 3/4" | 4x3/4" / 4x5/8" | 2 | 49 | 108 |
203 | 8 | Concave | 9 x 3/4” | 6 x 3/4" | 6 x 3/4" | 3 | 49 | 108 |
203 | 8 | Convex | 9 x 3/4” | 6 x 3/4" | 6 x 3/4" | 3 | 49 | 108 |
210 | 8 1/4 | Concave | 10 x 3/4” | 4 x 3/4" | 4x3/4" / 4x5/8" | 2 | 50.8 | 112 |
210 | 8 1/4 | Concave | 9 x 3/4" | 6 x 3/4" | 6 x 3/4" | 3 | 50.8 | 112 |
216 | 8 1/2 | Concave | 12 x 3/4” | 8 x 3/4" | 8 x 3/4" | 3 | 52.2 | 115 |
216 | 8 1/2 | Flat | 10 x 3/4” | 8 x 3/4" | 8 x 3/4" | 2 | 52.2 | 115 |
219 | 8 5/8 | Concave | 10 x 3/4” | 6 x 3/4" | 4x3/4" / 6x5/8" | 2 | 52.7 | 116 |