Sealey SA4 Heavy Duty Air Impact Wrench 3/4" Drive
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Sealey SA4 Heavy Duty Air Impact Wrench 3/4" Drive

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£139.95

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About the product

The Sealey SA4 is an air impact wrench with a 3/4" square drive, for demanding workshop applications in garages and tyre shops. It has a rocking-dog hammer mechanism with a hardened anvil and cage, variable air and torque control, and reversible action for fastening and loosening.

  • Breakaway torque: 540 lb.ft (734 Nm); fastening torque: 520 lb.ft (707 Nm)
  • Operating pressure: 90 psi; air consumption: 7 cfm; free speed: 4500 rpm
  • Inlet size: 1/4" BSP; net weight: 4.5 kg
  • Polished aluminium housing
  • Noise power/pressure: 107/96 dB(A); vibration/uncertainty: 4.89/0.98 m/s²

The wrench is described for wheel nut removal and heavy fastening tasks, including work with commercial vehicles, agricultural machinery and other heavy-duty equipment.

At a glance

  • 3/4" square drive
  • 540 lb.ft breakaway torque (734 Nm)
  • 520 lb.ft fastening torque (707 Nm)
  • Variable air and torque control; reversible action

Specifications12

Sealey
Material
polished aluminium
Drive
3/4" square drive
Breakaway torque
540 lb.ft (734 Nm)
Fastening torque
520 lb.ft (707 Nm)
Hammer mechanism
Rocking-dog mechanism with hardened anvil and cage
Air consumption
7 cfm
Operating pressure
90 psi
Free speed
4500 rpm
Net weight
4.5 kg
Noise power/pressure
107/96 dB(A)
Vibration/uncertainty
4.89/0.98 m/s²
Controls and action
Variable air and torque control; reversible action for fastening and loosening

Price history

Price at the shop, last 75 days

The price has stayed at £139.95 since 19 August.

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£139.95 at Tooled Up Go to shop