Product Details
Shock absorbers (shock subs) are installed in the drill string to absorb and dampen the impact load on the drill head. Shock subs have the greatest benefit in hard rock and broken formations.
Shock Absorbers Complete – Down the Hole
| Size | Description |
|---|---|
| 3" DTH | 2 3/8" Reg Pin Top - 2 3/8" Reg Box Bottom |
| 4" DTH | 2 3/8" Reg Pin Top - 2 3/8" Reg Box Bottom |
| 5" DTH | 3 1/2" Reg Pin Top - 3 1/2" Reg Box Bottom |
| 6" DTH | 3 1/2" Reg Pin Top - 3 1/2" Reg Box Bottom |
| 8" DTH | 4 1/2" Reg Pin Top - 4 1/2" Reg Box Bottom |
| 10" DTH | 6 5/8" Reg Pin Top - 6 5/8" Reg Box Bottom |
| 10" DTH | 8 5/8" Reg Pin Top - 8 5/8" Reg Box Bottom |
| 12" DTH | 6 5/8" Reg Pin Top - 6 5/8" Reg Box Bottom |
| 12" DTH | 8 5/8" Reg Pin Top - 8 5/8" Reg Box Bottom |
| 14" and 18" DTH | Special Order |
Shock Absorbers Complete – Out the Hole
| Size | Description |
|---|---|
| 4" OTH | Holman Flange Top - Holman Pin Bottom |
| 4" OTH | Holman Flange Top - 2 3/8" Reg Box Bottom |
| 4" OTH | 2 3/8" Reg Pin Top - 2 3/8" Reg Box Bottom |
| 5" OTH | Copco DDR42 Flange Top - 2 3/8" Reg Box Bottom |
| 5" OTH | Holman Flange Top - 2 3/8" Reg Box Bottom |
| 5" OTH | 2 3/8" Reg Pin Top - 2 3/8" Reg Box Bottom |
| 6" OTH | 3 1/2" Reg Pin Top - 3 1/2" Reg Box Bottom |
| 8" OTH | 4 1/2" Reg Pin Top - 4 1/2" Reg Box Bottom |
Specifications
| Size | Weight | Overall Length | Effective Length | Outside Diameter | Standard Thread Connection |
|---|---|---|---|---|---|
| 3" DTH | 25.35 lbs. | 17 1/4" | 14 1/4" | 3" | 2 3/8" Regular |
| 4" DTH | 35.83 lbs. | 18 3/4" | 15 3/4" | 3.68" | 2 3/8" Regular |
| 5" DTH | 60.63 lbs. | 21 3/8" | 17 5/8" | 4 1/2" | 3 1/2" Regular |
| 6" DTH | 91.49 lbs. | 23 1/4" | 19 1/2" | 5 1/4" | 3 1/2" Regular |
| 8" DTH | 187.39 lbs. | 27" | 22 3/4" | 7" | 4 1/2" Regular |
| 10" DTH | 332.90 lbs. | 30 1/8" | 25 1/8" | 8.86" | 6 5/8" Regular |
| 12" DTH | 443.13 lbs. | 29 1/2" | 24 1/2" | 10.15" | 6 5/8" Regular |
| Item No. | Description |
|---|---|
| 1 | Top Connector |
| 2 | Shaft |
| 3 | Shaft/O-Ring |
| 4 | Buffer |
| 5 | Nut O-Ring |
| 6 | Nut |
| 7 | Bottom Connector |
New Style DTH Shock Subs
DTH Air/Water Shock Absorbers
These heavy duty shock subs range from 4” to 18” diameter with an innovative design for both Air & Water drilling applications. They are a “must have” investment to help protect your drill string. These are built with the toughest steel from U.S. mills to withstand to the most extreme drilling conditions.
Key Features
- Sits easily and directly on top of the DTH hammer
- Increased rate of penetration
- Superior shock absorption
- Heavy duty internal components significantly helps to reduce wear
- Rig top drive protection through Hyper Absorption technology
- More drive splines for better torque handling and wear resistance
- Manufactured in USA
Please call for pricing
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