TTI 1/2inch Air Impact Wrench STC555

In Stock
100% of 100
  • Warranty: 2 Year
Free Delivery


The twin hammer mechanism is made from premium Japanese tempered steel and features an extra large impact area and reinforced hammer cage. Precision machined components combined with the advanced twin hammer mechanism increases efficiency, generates greater torque and improves the durability of the wrench.

  • Reinforced twin hammer mechanism
  • 4 torque settings in forward
  • Maximum torque in reverse
  • Ergonomic rubber grip
  • Low noise handle exhaust
  • Easy one handed operation for forward & reverse
  • Light composite body with SureGrip finish on anvil cap
  • Pressure Required: 90psi/6.2bar
  • Compressor: Minimum 2.5 HP Belt drive (intermittent use)
  • Average Air Consumption: 155L/min
  • Air Consumption: 480L/min
  • Max Torque: 1695Nm
  • Working Torque: 1132Nm
  • Free Speed: 8000rpm
  • Length: 197mm
  • Air Inlet: ¼”PT


Part No STC555
Barcode 9328225035463
Brand TTI
Warranty 2 Year
Net Weight (kg) 2.63
Product Length (mm) 200
Product Width (mm) 200
Product Height (mm) 200

Pickup In Store

If you don't want to pay for delivery or need to ASAP, you can pick it up in store. Just bear in mind not all stores will have everything in stock. You'll be able to see if they do during the checkout process.

Free Delivery

Most products are included in free delivery, however some are excluded as follows:

  • Orders and/or items under $99.
  • Orders and/or items that are deemed bulky, large or heavy.
  • Clearance items.
  • Orders that include or items that are classed as dangerous goods.
  • Remote areas are excluded from free delivery and you will either be charged delivery at checkout or may be contacted prior to delivery to confirm delivery charges if necessary.
  • Interstate deliveries.

Total Tools reserve the right to change or withdraw free delivery at any time.

Estimated Delivery Timeframes

If you opted to collect in store you will receive an email to inform you when your goods are ready for collection.

If you opted for delivery, you will receive an email when the goods have been despatched to the couriers with details so you can track our order.

We aim to despatch all orders within 1-2 business days. In the unusual event of a delay to the despatch of your order you will be contacted at the earliest opportunity. Once the order has been despatched the estimated delivery time is as follows:

  • Metro (Excludes Hobart Metro) 1-2 business days
  • Hobart Metro 3-4 business days
  • Regional Areas 3-4 business days
  • Remote Areas 6-9 business days

Please note that these delivery timeframes are estimates and are not guaranteed.


Changed your mind? No worries. You just need to get the product back to the store it was shipped from (this is on your receipt) within 30 days, unused and in its original packaging and we'll give you a refund (excluding delivery costs). You can read our full returns & exchanges policy here (special order items are excluded from this returns policy).


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