Draper Air Impact Wrench, 1/2" Sq. Dr

Heavy-Duty Twin Hammer Performance for Demanding Workshop Use

The Draper DAT-AIW12 is a heavy-duty 1/2" square drive air impact wrench built for mechanics, fitters, and workshop users who need serious torque on tap. Driven by a high-power twin hammer mechanism and a high-tech three-speed reversible motor, it delivers an ultimate torque of 680Nm (500ft/lb) — making short work of stubborn wheel nuts, suspension fixings, and the kind of seized fasteners that defeat lighter tools.

High-Power Twin Hammer Mechanism

The heart of the DAT-AIW12 is its high-power twin hammer impact mechanism. The twin hammer design delivers consistent, hard-hitting blows for shifting seized and corroded fasteners, while helping to reduce reaction torque felt by the user when working through a long list of fixings. Paired with an ultimate torque rating of 680Nm (500ft/lb) and a free speed of 7,000rpm, it offers the kind of performance needed for everything from automotive servicing to heavier plant and machinery work.

Three-Speed Reversible Motor

A high-tech three-speed reversible motor gives you adjustable 3-position power in forward and full power in reverse. The forward power adjustment lets you match torque to the task — easing back when working on smaller or softer fasteners and stepping up for the toughest fixings. Full power in reverse means maximum effort exactly where you need it most: freeing stubborn, seized nuts and bolts.

Lightweight Aluminium Housing

The DAT-AIW12 is built around a lightweight aluminium housing, helping to keep the tool's weight to 2.59kg — manageable for a wrench delivering this level of torque. An ergonomic soft grip handle with a rubber protective grip adds comfort and control, making the tool noticeably easier to handle during prolonged use. The result is a powerful impact wrench that's still pleasant to live with through a long workshop session.

Handle Exhaust for Cleaner Working

A handle exhaust routes spent air away from the work area and the user, helping to keep dust and debris from being blown around the immediate workspace. This is a practical detail for jobs like brake or hub work where loose dust and rust particles can otherwise be an issue.

Sensible Air Requirements

With an operating pressure of 90psi (6.2bar) and an average air consumption of 6.5cfm (184L/min), the DAT-AIW12 is well-matched to mid-sized and larger workshop compressors. A 1/4" BSP air inlet makes for straightforward connection to standard workshop airline setups, with a minimum recommended hose size of 3/8" internal diameter to ensure the tool gets the air flow it needs to deliver full performance.

Key Features at a Glance

• 1/2" square drive air impact wrench
• Ultimate torque: 680Nm (500ft/lb)
• High-power twin hammer impact mechanism
• High-tech three-speed reversible motor
• Adjustable 3-position power in forward, full power in reverse
• Lightweight aluminium housing
• Ergonomic soft grip handle with rubber protective grip
• Handle exhaust routes air away from the work area
• Free speed: 7,000rpm
• 1/4" BSP air inlet
• Operating pressure: 90psi (6.2bar)

Full Specification

Ideal Applications

The Draper DAT-AIW12 is a strong fit for tyre and wheel changes, suspension and chassis work, brake servicing, exhaust and underbody repair, general automotive servicing, plant and machinery fastener work, and any workshop task where a high-torque, repeatable impact tool earns its keep. The 680Nm torque figure puts it comfortably into the bracket needed for stubborn wheel nuts and heavier commercial fixings that would defeat a lighter 340Nm-class wrench.

Backed by the trusted Draper Tools name, the DAT-AIW12 combines twin hammer power, 680Nm torque, and a well-balanced lightweight aluminium build in one capable air impact wrench — a serious choice for any workshop that needs reliable, high-torque fastener performance day in, day out.