SIW 22-A Cordless impact wrench

Name: SIW 22-A Cordless impact wrench
Brand: Hilti
SKU: r4927

Power-class 22V light-torque impact wrench with 1/2" detent pin anvil for anchoring and bolting

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Technical Data

Anvil type

1/2" detent pin

Maximum torque

90 Nm (1); 135 Nm (2); 200 Nm (3) ¹

Full hammering frequency

3500 impacts/minute

Number of gears

No load RPM

gear 1: 1000 rpm; gear 2: 1500 rpm; gear 3: 2300 rpm

Dimensions (LxWxH)

154 x 94 x 228 mm

Tool body weight

1 kg

A-weighted emission sound pressure level

86 dB (A) ²

Rated voltage

21.6 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 the Operating Instruction for more details)

½" square drive with heavy-duty detent pin retention for safety and quick socket changes
High-efficiency brushless motor means the tool lasts longer and gets more work done per charge
Compact design for use wherever space is limited
Three gears and electronic speed control for easy switching between different driving speeds and torque
Four bright LEDs around the chuck provide direct illumination of the work surface

Driving 6 mm and 8 mm HUS3 screw anchors in concrete
Driving screws in HRD frame anchors 8 mm to 10 mm in diameter in masonry and concrete
Driving lag bolts up to 8 mm in diameter in wood
Tightening and releasing high-strength bolts up to 3/8" in diameter
Tightening and releasing nuts and bolts in the sizes M6 to M16

For approval or certificate information, please see individual items.

3 or free, get the tool serviced and cleaned in 3 days flat or repair is free of charge
Service is free of charge up to 2 years, including wear & tear, pick-up and delivery
After no-cost period repair costs are capped
Product warranty against parts and manufacturing irregularities for as long as we service the tool
Product warranty against parts and manufacturing irregularities for 20 years

2 years no repair costs from date of purchase, including wear & tear parts, shipping and labor
After no-cost period repair costs are capped for as long as we service the tool
After every paid repair again 3-month no-repair-cost period
Materials and workmanship warranty over the entire life of the tool
Pick-up and delivery service