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SIW 20-22 3/4" High-torque cordless impact wrench

Still life image of SIW 20-22 (01) impact wrench with battery B 22-195.

Cropped application image of cordless impact wrench SIW 20-22 tool with B22-195 Nuron battery and quick lock on fastening and unfastening bolts of the railway track.

SIW 20-22 application image on large structural steel. Steel worker sitting on steel beam high up in the air. July 2025. Detroit, MI.

Application image of worker using SIW 20-22 while in a lift on a large cable-stayed bridge jobsite. July 2025. Detroit, MI.

Application image of worker using SIW 20-22 on large bolts at a water treatment facility in Salt Lake City, UT. December 2025. Shot for SIW 20-22 application.

Ultimate-class, high-torque impact wrench with 3/4" anvil, quick lock and friction ring for heavy bolting (Nuron battery platform)

Anvil type: 3/4" square anvil
Maximum torque: 2250 Nm (2)
Nut busting torque: 3000 Nm

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Pack size

1 pc

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Quantity

Packs

Total Pieces

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Discounted net

From 5,400.00 ILS

Technical Data

Anvil type

3/4" square anvil

Maximum torque

2250 Nm (2) ¹

Nut busting torque

3000 Nm

Full hammering frequency

2350 impacts/minute

Number of gears

No load RPM

gear 1: 1000 rpm; gear 2: 1175 rpm

Dimensions (LxWxH)

256 x 97 x 255 mm

Tool body weight

3.81 kg

A-weighted emission sound pressure level

101 dB (A) ²

Rated voltage

22 V

Do not use the tool for applications where an exact torque or maximum torque is specified - there is a risk of over-tightening and damaging the screw or workpiece.
According to the applicable product standard (see Operating Instruction for more details)

Documents

pdf Operating Instruction SIW 20-22 (POS1), Arabic, Bulgarian, cn, Czech, Danish, German, Greek, English, Spanish, Estonian, Finnish, French, Hebrew, Croatian, Hungarian, Italian, Japanese, Kazakh, Korean, Lithuanian, Latvian, Dutch, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Swedish, Turkish, Ukrainian, Chinese, Serbian [ 6.2 MB ]

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Features & Applications

Features

Our most powerful impact wrench – up to 3000 Nm of nut busting torque and 2250 Nm of tightening torque for higher performance in a more compact tool body
Quick lock – our unique and easy-to-use socket holding system keeps your sockets securely in place, helping prevent the danger of sockets dropped from heights
More productivity and control – built-in LED light and two speed settings help you easily transition from heavy to light-duty applications
Higher performance with low vibration – helping you work longer with less fatigue
Longer lasting – the brushless motor and durable build are designed for longer tool lifetimes even in the most demanding conditions

Applications

Bolting steel for primary and secondary steel structures, handrails, racking and machinery up to M30 diameter high-tensile bolts (pre-tightening up to M36)
Loosening large rusty bolts for maintenance, operation and repair work
Bolting steel for primary and secondary steel structures, handrails, racking and machinery (up to 1-3/16” diameter high-tensile bolts (pre-tightening up to 1-3/8")

For approval or certificate information, please see individual items.