SIW 22T-A 1/2" Cordless impact wrench
Ultimate-class 22V high-torque cordless impact wrench with 1/2" detent pin anvil for anchoring and bolting
- Anvil type: 1/2" detent pin
- Maximum torque: 450 Nm (1)
- Full hammering frequency: 2500 impacts/minute
Customers also searched for impact gun, rattle gun, power wrench or nut runner.
Technical Data
- 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)
Features & Applications
Features
- ½" square drive with heavy-duty detent pin retention for security and quicker socket changing
- Reduce uncontrollable spinning thanks to tangential impact – helps to make electric impact wrenches less tiring to use
- High-grade steel anvil featuring special heat treatment for extra-long life
- Optimised as a system for driving Hilti HUS screw anchors and HRD frame anchors
- Finely-tuned impact mechanism – for maximised efficiency from a battery-powered impact wrench
Applications
- Driving HUS3 screw anchors from 8 mm to 14 mm diameter in concrete
- Tightening and releasing nuts and bolts from M12 to M20
- Assembling steel profiles, timber or pre-cast concrete components
- Installing HCA coil anchors in concrete
- Driving lag bolts and chipboard screws up to 5/8" in wood (pre-drilling may be necessary)
For approval or certificate information, please see individual items.
Services

Hilti Tool Service
- Servicing is free of charge for up to 2 years, including wear and tear, pick-up and delivery
- After the no-cost period, repair costs are capped
- 3-month no-cost period after each paid repair
- One click or call is all it takes – we do the rest

Fleet Management
- Monthly usage fee covering all tool, service and repair costs helping to ensure absolute cost control and back-office efficiency.
- Loan tools during repair to reduce downtime.
- Individual labels and online visibility provide tool fleet transparency
- Theft coverage helps to reduce financial risk and unexpected expenses.
Product Videos
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