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  • KS TOOLS Sump Wrench 150.9237 Air impact wrenches 150.9237 at a discount — buy now!
    KS TOOLS Sump Wrench
    Article number: 150.9237
    Product info:
    • Diameter from [mm]: 45,5
    • Diameter to [mm]: 45,5
    • Weight [g]: 330
    • Length [mm]: 155
    • Material: Tool Steel
    • Bolt Head- / Nut Design: Rectangle
    • Item number150.9237
    • Our price19,54 £
    • Condition  New
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    £ 27,91**
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  • SW-Stahl Sump Wrench 03005L Air impact wrenches 03005L at a discount — buy now!
    SW-Stahl Sump Wrench
    Article number: 03005L
    Product info:
    • Spanner Size: Hex: 5/16x3/8, Square: 8x3/8, Hex: 8x10, Square: 11 x Hex: 12, Square: 13 x Hex: 14, Hex: 1/2x17
    • Number of tools: 6
    • Type: Nissan, Opel, Peugeot, Renault, Volvo
    • Packaging: Plastic Case
    • Weight [g]: 764
    • Item number03005L
    • Our price26,24 £
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    £ 37,49**
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    £ 26,24

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  • KS TOOLS Sump Wrench 150.9302 Air impact wrenches 150.9302 at a discount — buy now!
    KS TOOLS Sump Wrench
    Article number: 150.9302
    Product info:
    • Diameter 1 [mm]: 40
    • Diameter 2 [mm]: 50
    • Weight [g]: 620
    • Length [mm]: 270,0
    • Material: Tool Steel
    • Surface: Matt, chrom-plated
    • Bolt Head- / Nut Design: Rectangle, Hexagon
    • Item number150.9302
    • Our price31,09 £
    • Condition  New
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    £ 44,41**
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  • FORCE Power Socket 44811 Air impact wrenches 44811 at a discount — buy now!
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Bolt Head- / Nut Design: Double Hexagon
    • Spanner Size: 11 mm
    • Length [mm]: 38
    • Weight [g]: 74
    • Item number44811
    • Our price1,86 £
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    £ 2,65**
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    £ 1,86

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  • FORCE Power Socket 44808 Air impact wrenches 44808 at a discount — buy now!
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Bolt Head- / Nut Design: Double Hexagon
    • Spanner Size: 8 mm
    • Length [mm]: 38
    • Weight [g]: 74
    • Item number44808
    • Our price1,86 £
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    £ 2,65**
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    £ 1,86

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  • SELTA Power Socket SE-94510 Air impact wrenches SE-94510 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94510
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 10
    • Length [mm]: 38
    • Diameter 1 [mm]: 25
    • Diameter 2 [mm]: 17.1
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94510
    • Our price2,37 £
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    £ 3,39**
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    £ 2,37

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  • SELTA Power Socket SE-94514 Air impact wrenches SE-94514 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94514
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 14
    • Length [mm]: 38
    • Diameter 1 [mm]: 25
    • Diameter 2 [mm]: 22.1
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94514
    • Our price2,37 £
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    £ 3,39**
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    £ 2,37

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  • SELTA Power Socket SE-94512 Air impact wrenches SE-94512 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94512
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 12
    • Length [mm]: 38
    • Diameter 1 [mm]: 25
    • Diameter 2 [mm]: 19.6
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94512
    • Our price2,37 £
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    £ 3,39**
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    £ 2,37

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  • SELTA Power Socket SE-94513 Air impact wrenches SE-94513 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94513
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 13
    • Length [mm]: 38
    • Diameter 1 [mm]: 25
    • Diameter 2 [mm]: 20.8
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94513
    • Our price2,37 £
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    £ 3,39**
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    £ 2,37

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  • SELTA Power Socket SE-94511 Air impact wrenches SE-94511 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94511
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 11
    • Length [mm]: 38
    • Diameter 1 [mm]: 25
    • Diameter 2 [mm]: 18.4
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94511
    • Our price2,40 £
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    £ 3,43**
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    £ 2,40

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  • SELTA Power Socket SE-94509 Air impact wrenches SE-94509 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94509
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 9
    • Length [mm]: 38
    • Diameter 1 [mm]: 24
    • Diameter 2 [mm]: 15.8
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94509
    • Our price2,40 £
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    £ 3,43**
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    £ 2,40

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  • SELTA Power Socket SE-94508 Air impact wrenches SE-94508 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94508
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 8
    • Work side (profile): Hexagon
    • Length [mm]: 38
    • Diameter 2 [mm]: 14.6
    • Diameter 1 [mm]: 26
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94508
    • Our price2,40 £
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    £ 3,43**
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    £ 2,40

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  • Hogert Technik Power Socket HT4R015 Air impact wrenches HT4R015 at a discount — buy now!
    Hogert Technik Power Socket
    Article number: HT4R015
    (Submit a review)
    Product info:
    • Drive side (profile): Rectangle
    • Drive [in]: 1/2
    • Work side (profile): Hexagon
    • Spanner Size: 15
    • Material: Chrome-Molybdenum Steel
    • Length [mm]: 78
    • DIN / ISO: DIN 3121
    • Packaging: in plastic holder
    • Weight [g]: 160
    • Item numberHT4R015
    • Our price2,55 £
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    £ 3,64**
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    £ 2,55

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  • SELTA Power Socket SE-94518 Air impact wrenches SE-94518 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94518
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 18
    • Length [mm]: 38
    • Diameter 1 [mm]: 30
    • Diameter 2 [mm]: 27.1
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94518
    • Our price2,58 £
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    £ 3,68**
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    £ 2,58

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  • SELTA Power Socket SE-94519 Air impact wrenches SE-94519 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94519
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 19
    • Length [mm]: 38
    • Diameter 1 [mm]: 30
    • Diameter 2 [mm]: 28.3
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94519
    • Our price2,58 £
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    £ 3,68**
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    £ 2,58

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  • SATA Power Socket 34207 Air impact wrenches 34207 at a discount — buy now!
    SATA Power Socket
    10 (3/8")mm (inch)
    Article number: 34207
    Product info:
    • Square Drive Tang Size [mm (inch)]: 10 (3/8")
    • Bolt Head- / Nut Design: Hexagon
    • Spanner Size: 12 mm
    • Material: Chrome-Molybdenum Steel
    • Item number34207
    • Our price2,75 £
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    £ 3,93**
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    £ 2,75

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  • YATO Power Socket YT-1000 Air impact wrenches YT-1000 at a discount — buy now!
    YATO Power Socket
    12.5 (1/2")mm (inch)
    Article number: YT-1000
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Length [mm]: 39
    • Material: Chrome-Molybdenum Steel
    • Spanner Size: 10
    • Item numberYT-1000
    • Our price2,84 £
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    £ 4,06**
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    £ 2,84

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  • YATO Power Socket YT-1003 Air impact wrenches YT-1003 at a discount — buy now!
    YATO Power Socket
    12.5 (1/2")mm (inch)
    Article number: YT-1003
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Length [mm]: 39
    • Material: Chrome-Molybdenum Steel
    • Spanner Size: 13
    • Item numberYT-1003
    • Our price2,87 £
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    £ 4,10**
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    £ 2,87

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  • YATO Power Socket YT-1005 Air impact wrenches YT-1005 at a discount — buy now!
    YATO Power Socket
    12.5 (1/2")mm (inch)
    Article number: YT-1005
    Product info:
    • Length [mm]: 39
    • Material: Chrome-Molybdenum Steel
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 15
    • Item numberYT-1005
    • Our price2,87 £
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    £ 4,10**
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    £ 2,87

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  • SELTA Power Socket SE-94522 Air impact wrenches SE-94522 at a discount — buy now!
    SELTA Power Socket
    12.5 (1/2")mm (inch)
    Article number: SE-94522
    (Submit a review)
    Product info:
    • Square Drive Tang Size [mm (inch)]: 12.5 (1/2")
    • Spanner Size: 22
    • Length [mm]: 38
    • Diameter 1 [mm]: 30
    • Diameter 2 [mm]: 32.3
    • Work side (profile): Hexagon
    • Surface: Burnished
    • Shape: Short
    • Item numberSE-94522
    • Our price3,05 £
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    £ 4,35**
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    £ 3,05

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Air wrenches are used for installation and dismantling threaded fasteners with points: nuts, bolts and others. The tool doesn’t feature an electric motor and is operated by compressed air, therefore, it is ideal for working in rooms with high humidity. Air wrench is light in weight and small in size, isn’t prone to overheating.

Types of air wrenches

By type of mechanism:

  • Non-impact air wrenches. Designed for tasks that require high precision and accuracy. Fit for working with small parts.
  • Impact air wrenches. Allow to dismantle even large or stuck fasteners.

By design:

  • Straight. The tool’s socket is on the same axis as the rotor shaft. These tools are considered to be very powerful. The grip can lie in the same plane as the body or be attached at an angle to it.
  • Angle. Perfect for tightening and loosening fasteners in hard-to-reach places. The head is at a right angle to the rotor shaft.

Operating principle

When the trigger is pulled, compressed air is supplied through the special hose to the rotor which begins to rotate. The motion is transferred to the spindle and then to the air wrench socket.

The principle of the torque transfer is the same both in impact and non-impact models. In the latter, the distribution is even due to the planetary reduction drive.

The design of the impact wrench features a mechanism which, as a rule, consists of a cage, hammers and a spindle. The cage is fixed and attached to the rotor shaft. Hammers are fixed into the cage with pins. Under the influence of the centrifugal force, the hammers can slightly shift either contacting the spindle or rotating without it. Each time they get in contact, the blow follows.

Tips on using air wrenches

Before you start, make sure that the operating pressure complies with the compressor output and that the cross-section of the hose is in line with the device specifications.

In order to protect the device from wearout and corrosion, the compressed air must be prepared first. It goes through a filter drier, then is mixed with oil fumes which lubricate the moving elements of the tool. You should use special sockets for impact devices.

While using air tools, it is important to control the torque. There is a risk of overtightening the fasteners as this equipment is very powerful. It isn’t allowed to set up or check out the tool as well as to move from one area to another without disconnecting it from the air compressor.

AUTODOC: convenient online shopping

A wide selection of reliable high-quality products for automotive repair and car maintenance can always be found in the online shop AUTODOC. Here you can buy air wrenches, drills, screw guns, scalers and other equipment at the most advantageous price. Order any item from our catalogue today and we will deliver it in a short time inexpensively.

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