Geonex HDD Steering Hammer Solution
HDD Steering Hammer and Sonde Rod
Geonex HDD Steering Hammer system consists of: Steering pilot, DTH hammer, Bent sub and Sonde Housing. The system is easy to set up on site. Robust and durable steering pilot has slanted face for steering. Together with bent sub, they provide more responsive steering with dual steering points.
Download datasheetApplications for Geonex HDD Steering Hammer Solution
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Horizontal Directional Drilling
HDD Steering hammer is optimal for drilling under objects like roads, rivers and buildings.
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Fixing sidetracked rock hole
While drilling straight on rock soil, HDD Steering Hammer can steer to opposite direction to fix sidetracking problems.
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Easy and responsive steering
Durable Steering pilot provides more responsive steering with dual steering points.
Technical information
Geonex HDD Hammer
| Drill Bit Shank Type | HDD |
| Pilot Bit Size mm (in) | 152-159 (6,0-6.25) |
| Outside Diameter mm (in) | 126mm (5,0) |
| Top Thread | 3 1/2" API Reg Pin |
| Spanner Flat Size mm (in) | 95 (3,75) |
| Weight (Less Bit) kg (lbs) | 70 (143) |
| Length (with bent sub) mm (in) | 1150 (45,2) |
| Piston Weight (with bent sub) kg (lbs) | 14 (143) |
| Reommended air flow l/s(cfm) | 450 (950) |
| Suitable for operation at air pressures of bar(psi) | 7-35 (100- 507) |
| Recommended Maximum Thrust kg (lbs) | 900 (1980) |
Geonex HDD Sonde rod
| Sonde type | Digitrack |
| Outside Diameter mm (in) | 126 (5,0) |
| Length, Normal type mm (in) | 1135 (44,7) |
| Weight kg (lbs) | 90 (198) |
| Length, Length type mm (in) | 1200 (47,2) |
| Weight (Less Bit) kg (lbs) | 145 (302) |
| Spanner Flat Size mm (in) | 95 (3,75) |
Drilling equipment for Geonex HDD Hammer Solution
| Prod, name | Prod. number | Technical description | Weight kg (lb) |
|---|---|---|---|
| HDD Hammer | 15393 | Ø126mm Complete hammer with Bent Sub, Top Adaptor API reg. 3 1/2M, Air pressure 100-435PSI (7-30 bar) | 68kg (150lb) |
| Sonde Rod | 12480 | Ø126mm Sonde Rod API reg. 3 1/2"M-F complete | 90kg (198lb) |
| Sond Housing Pipe (Spare Part) | 15392 | Complete Sond Housing Pipe | 5kg (11lb) |
| Drill Bit | 15391 | Ø160mm Mixed soil type: HDD angle face | 27kg (59lb) |
| Drill Bit | 15390 | Ø152mm Hard rock type: convex face | 25kg (55lb) |
| Bent Sub (Spare Part) | 12910 | Bent Sub, angle: 1.0 degrees, API reg. 3 1/2M | 25kg (55lb) |
| Bent Sub (Spare Part) | 15389 | Bent Sub, angle: 1.5 degrees, API reg. 3 1/2M | 25kg (55lb) |