Ingersoll Rand Air Impact Wrench 1/2" Dr 813 Nm Twin Hammer | 231C-AP
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Ingersoll Rand 231C 1/2 inch Air Impact Wrench | 231C-AP
The Ingersoll Rand 231C 1/2 in Air Impact Wrench (231C-AP) is a legendary workhorse trusted by professionals in the automotive, industrial, and heavy equipment industries. Built for power, reliability, and ease of maintenance, the 231C delivers proven performance with a compact, ergonomic design that minimises fatigue during extended use.
Equipped with a twin hammer mechanism and delivering up to 600 ft-lb (813 Nm) of reverse torque and 425 ft-lb (575 Nm) forward, this air impact wrench is ideal for tasks such as tyre changes, suspension work, and industrial bolt tightening. Its robust construction and simple operation make it a go-to tool for technicians who demand long-lasting durability and consistent output.
Whether you're operating in a busy garage or a demanding production environment, the 231C ensures you're equipped with the performance you need—day in and day out.
Key Features
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Twin hammer impact mechanism for high torque and long life
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Durable metal housing for rugged shop use
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Ergonomic handle for comfort and better grip
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Adjustable power regulator for greater control
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Easy maintenance with fewer internal components
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Compact design fits into tight spaces
Specifications
| Specification | Detail |
|---|---|
| Model | 231C-AP |
| Drive Size | 1/2 in |
| Maximum Torque (Reverse) | 600 ft-lb (813 Nm) |
| Maximum Torque (Forward) | 425 ft-lb (575 Nm) |
| Working Torque Range | 25 – 350 ft-lb (34 – 475 Nm) |
| Blows per Minute (BPM) | 1,200 |
| Free Speed | 8,000 RPM |
| Air Inlet Size | 1/4 in NPT |
| Operating Pressure | 90 psi (6.2 bar) |
| Minimum Hose Size | 3/8 in (10 mm) |
| Average Air Consumption | 4.2 CFM (119 L/min) |
| Air Consumption at Load | 22 CFM (623 L/min) |
| Weight | 5.8 lb (2.63kg) |
| Length | 7.3 in (185mm) |
| Width × Height | 71 × 195.6mm |
| Sound Pressure / Power (free speed) | 99.0 dB(A) / 110.0 dB(A) |
| Vibration | 6.5 m/s² (K = 0.8) |
| Mechanism Type | Twin Hammer |
| Warranty | 1 Year Limited Warranty |
Ideal For
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Automotive repair shops
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Tyre service and suspension work
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Industrial assembly lines
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Maintenance professionals
Ingersoll Rand 231C vs 231HA comparison
| Specification | Ingersoll Rand 231C-AP (this model) | Ingersoll Rand 231HA |
|---|---|---|
| Forward (fastening) torque | 425 ft-lb (575 Nm) | 550 ft-lb (746 Nm) |
| Blows per minute | 1,200 | – |
| Sound pressure / power at free speed | 99 / 110 dB(A) | 94 / 105 dB(A) |
| Best for | General workshop, tyre and suspension work | Jobs that need more tightening torque from a quieter tool |
Both are 1/2in square-drive air impact wrenches with 600 ft-lb (813 Nm) maximum reverse torque, 8,000 rpm free speed, 2.63kg (5.8lb) weight, 185mm (7.3in) length and a 1/4in air inlet. Specifications from Ingersoll Rand (powertools.ingersollrand.com).
Compatible Accessories
- Ingersoll Rand S64M17L deep impact socket – 1/2in drive, 17mm, 6-point, deep length
- Ingersoll Rand S64M19L deep impact socket – 1/2in drive, 19mm, 6-point, deep length
- Ingersoll Rand 231C spare parts (valve, trigger and more) – replacement parts listed against the 231C parts diagram
- Ingersoll Rand 231C spare parts (anvil, hammer, vane, rotor) – replacement impact mechanism and motor parts for the 231C
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for total orders above RM500, otherwise additional charges costs are calculated at checkout based on your order’s weight and delivery location.
Further details please click here for more info.
Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.