Description
M7
M7 NC-4256Q Quiet Air Impact Wrench — 1/2″ Drive, 1000 ft-lb
Part No: NC4256Q | Barcode: 4711225478180
The M7 Mighty Seven NC-4256Q is a 1/2″ drive air impact wrench that delivers up to 1,000 ft-lb of loosening torque with a durable twin-hammer clutch. Its working range of 200-900 ft-lb covers wheel nuts, suspension and general workshop fastening, while the low-noise design and light 1.8kg composite body make it far more comfortable over a long shift than a traditional steel gun.
1/2″ Square Drive
1,000 ft-lb Max
200-900 ft-lb Working
Twin Hammer
1.8kg
5.1 CFM
Suitable For
Wheel & Lug Nuts
Suspension Work
General Automotive
Machinery Assembly
Workshop Fastening
Key Features & Benefits
- Twin-hammer mechanism — delivers high impact energy for its size and stands up to repeated heavy fastening better than a single-hammer clutch.
- Up to 1,000 ft-lb — breaks loose seized wheel nuts and suspension bolts that stall lighter guns.
- Quiet operation — low-noise design cuts operator fatigue and noise exposure in busy workshops.
- Lightweight 1.8kg composite body — reduces wrist and arm strain during extended tyre and undercar work.
- Low 5.1 CFM air demand — runs from a modest compressor while still delivering full output at 90 psi.
When to Use This Impact Wrench
Choose the NC-4256Q as an everyday 1/2″ workshop gun — removing and fitting wheel nuts, suspension and chassis bolts, and general assembly. The quiet, lightweight build suits tyre bays and mechanics who run an impact all day. For very high-torque truck and industrial work, step up to a 3/4″ or 1″ gun.
Pro Tip: Always final-torque wheel nuts with a torque wrench — set the impact to a mid power setting to run nuts up, then finish to spec by hand. Running lug nuts fully home on the gun’s top setting risks over-torquing and stretched studs.
Product Specifications
| Part No. | Drive | Max Torque | Working Torque | Weight |
|---|---|---|---|---|
| NC4256Q ★ | 1/2″ | 1,000 ft-lb | 200-900 ft-lb | 1.8kg |
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