Ingersoll Rand W9491-K4E-EU 1" Square Drive 20V Cordless Impact Wrench Set - 3525Nm

Ingersoll Rand W9491-K4E-EU 1" Square Drive 20V Cordless Impact Wrench Set - 3525Nm

Manufacturer: INGERSOLL RAND

SKU : W9491-K4E-EU

EAN13 : 0663023155807

3525Nm 20V cordless impact wrench with a 1" square drive

Has 3,000Nm of fastening torque and 3,525Nm of breakaway torque

Includes the cordless impact wrench, four 20 V, 5.0 Ah Li-Ion batteries and a dual charger

Has a three year warranty

£1,182.72 £985.60
In stock

Free UK Delivery on orders over £75 including VAT

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Product Information

  • This 20 volt cordless impact wrench has a short anvil and combines the power of compressed air with the freedom of cordless mobility, enabling the operator to move freely.
  • It offers 3,000Nm of fastening torque and 3,525Nm of breakaway torque. 
  • The IQV power control system includes four modes -
    • Full power in reverse
    • Lockout at 250Nm
    • Lockout at 550Nm
    • Full power forward
  • It has a switch for variable speed adjustment and an electronic brake for maximum control to enhance safety.
  • IP56-rated, which means this impact wrench is protected from dust and particles in the air as well as powerful jets of water.
  • Has an impact and chemical-resistant composite housing.
  • The set includes the cordless impact wrench, four 20 V, 5.0 Ah Li-Ion batteries and a dual charger.

Technical Details

Drive Size 1"
Grip Type D Handle
Blows Per Minute [BPM] 1,170
Number of Batteries Required 2
Drive Type Square
Anvil Length Standard
Built-In Light No
Hand Tight Free Speed [RPM] 500
Impact Mechanism Ball and Cam
Lubrication 67-1 LB
Motor Brushless Motor
Standards/Certifications Ul Listed, Csa Certified, IP56 rated
Wireless Tool Tracking No
Number of Batteries Included 4
Forward/Fastening Torque [ft-lb] 2200 ft-lb
Forward/Fastening Torque [Nm] 3000 Nm
Half Power Forward Torque [ft-lb] 400 ft-lb
Half Power Forward Torque [Nm] 550 Nm
Maximum Hand Tight Forward Torque [ft-lb] 180 ft-lb
Maximum Hand Tight Forward Torque [Nm] 250 Nm
Height 206 mm
Impacting Sound Power 105 dB
Impacting Sound Pressure 94 dB
Maximum Bolt Diameter 1.25 "
Maximum Free Speed 890 RPM
Maximum Reverse Torque [ft-lb] 2200 ft-lb
Maximum Reverse Torque [Nm] 3000 Nm
Power to Weight Ratio [Nut-busting Torque/Weight] 94.55 ft-lb
Total Length 511 mm
Vibration Level 25.8 m/s2
Voltage 20 V
Weight 11020 g

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Delivery and Returns

UK Delivery

We offer free standard delivery (2-3 days) on all orders over £75.00 including VAT (orders that weigh over 10kg could be subject to delivery costs).

Orders under £75.00 including VAT will be charged for UK delivery at a rate of £4.95 + VAT.

Next working day delivery is also available at a flat rate of £16.67 + VAT for items held in stock. This service will require someone to be at the delivery address to sign for your parcel, otherwise it will be delivered to an access point for collection. The cut off point for next working day delivery is 2.30pm Monday to Friday.

International Delivery

Rates and delivery times will vary depending on the country and delivery zone. Shipping rates and VAT exemptions will be calculated at the checkout, although orders that weigh over 5kg could be subject to additional delivery costs when the order has been processed. We will get in contact with you should delivery costs exceed our estimations before shipping the items.

Following the trade agreement between the United Kingdom and the EU, all goods sold from the UK to EU customers will not incur VAT at the point of sale. VAT will be paid by the customer to the customs agent before the goods are delivered at the customers country of situ VAT rate. There will also be additional duties and disbursement fees to be paid before the goods are delivered, which will vary item to item. Please note no refunds will be issued for returned goods due to the customer not paying any of the additional costs.

Please see our shipping and returns page for shipping costs to the destination country from our warehouse.


We are happy to accept items returned to us within 14 days of purchase and in this case we offer an exchange or a full refund via your original payment method, once we receive the items and process them in our warehouse.

Any returns which fall outside this 14 day time period may be considered on a case-by-case basis at our discretion and may be refunded as a credit against a future purchase. All items must be returned to Heamar in the same condition in which they were shipped and in a saleable condition. Heamar reserves the right to refuse a return if it is determined that the item has been used and then returned for any reason other than being ‘faulty’. The buyer is responsible for return postage unless the item is faulty.

For more information on ordering, shipping and returns, please click here.