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| Feature | Specification |
|---|---|
| Working Torque Range | 280–1,170 Nm (approx. 205–864 lb-ft) |
| Max Torque | ~1,290 Nm (~950 lb-ft) |
| Bolt-Busting Torque | Up to 1,800 Nm (~1,327 lb-ft) |
| Free Speed | 4,600 rpm (some sources list 5,500 rpm) |
| Bolt Capacity | Standard capacity: 25 mm; some list up to 30 mm |
⚙️ General Overview
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Drive Size: 3/4″ (19 mm square)
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Configuration: Pistol-style, rear exhaust, twin regulator with six torque settings for precise control
📐 Physical & Air Requirements
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Length: 280 mm (11″)
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Weight: ~5.4 kg (11.9 lb)
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Air Consumption: ~0.8 m³/min (≈800 L/min or 28 CFM)
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Recommended Air Hose: Minimum 9.5 mm I.D. (3/8″) with 3/8″ NPT inlet
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🛠️ Mechanism & Design
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Hammer Type: Twin‑hammer (pin-type) mechanism for fast, consistent impacts
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🔩 Ideal Applications
Designed for heavy-duty use in sectors like trucking, industrial maintenance, and tire shops:
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Removing large wheel nuts, shafts, and pins
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Fastening bolts in heavy machinery
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Industrial installations requiring high torque with torque-setting control
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Speed Control: Variable-speed trigger with switching for forward/reverse operation
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Regulation: Dual regulators let you dial torque lower one way and keep full torque in reverse
Inquiry - SP AIR 3/4" IMPACT WRENCH SP-1156TR