Nuron

SIW 4AT-22 ½” Cordless impact wrench

Name: SIW 4AT-22 ½” Cordless impact wrench
Brand: Hilti
SKU: r13275514

Compact-class cordless impact wrench with the ultimate balance of power and handling (Nuron battery platform)

Technical Data

Anvil type

1/2" detent pin

Maximum torque

90 Nm (1); 135 Nm (2); 213 Nm (3) ¹

Nut-busting torque

338 Nm

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)

152 x 68 x 215 mm

Tool body weight

1.03 kg

A-weighted emission sound pressure level

96 dB (A) ²

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)

The ideal cordless impact wrench for non-structural fastening, such as MEP supports and handrails
Longer tool lifetime – brushless motor means the impact wrench lasts longer and gets more work done per charge
Automate precise torquing – add the optional SI-AT-22 Adaptive Torque Module to save time when installing compatible anchors in line with approvals
Faster anchor setting with more control – three speed settings and improved LED light
On the Nuron battery platform – cordless impact wrenches without compromise thanks to longer-lasting batteries, time-saving accessories and a range of services to keep you productive, today and tomorrow

Bolting steel – such as for handrails, racking and machinery (M8-M16 diameter)
Setting HUS anchors in concrete – such as for baseplates, formwork props, handrails and temporary fixtures (6-8 mm diameter)
Lag bolting in wood – such as for wooden roofs or temporary structures (8-10 mm diameter)
Setting wedge anchors in concrete (M8-M16 diameter)
Driving screws into 8 mm and 10 mm HRD frame anchors in masonry and concrete

For approval or certificate information, please see individual items.

Servicing is free of charge for up to 2 years, including wear and tear, pick-up and delivery
Product warranty against parts and manufacturing irregularities for as long as we service the tool
After the no-cost period, repair costs are capped
1-month no-cost period after each paid repair
Exclusive use of genuine Hilti spare parts

Monthly usage fee covering all tool, service and repair costs helping to ensure absolute cost control and back-office efficiency.
High-performing tools and latest technology help to increase jobsite productivity.
Loan tools during repair to reduce downtime.
Temporary tools for peak times and special applications help to reduce investments.
Theft coverage helps to reduce financial risk and unexpected expenses.