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 |
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