Hilti
SIW 2-A12 Cordless Impact Wrench
- SKU:
- 2381342
- Availability:
- Usually Ships Same Day
- Weight:
- 1.70 LBS
Description
Hilti SIW 2-A12 3/8" Cordless Impact Wrench
The Hilti SIW 2-A12 3/8" Cordless Impact Wrench is a compact, lightweight 12V fastening tool designed for nuts, bolts, mechanical anchors, and other compatible bolting applications where maneuverability matters.
Built for electricians, mechanical trades, maintenance professionals, and construction contractors, the SIW 2-A12 combines cordless portability with a compact 3/8" square-drive configuration. Its ergonomic design and variable-speed trigger help provide controlled fastening performance when working overhead, inside confined areas, or in other locations where a larger impact wrench may be difficult to maneuver.
Product Highlights
- Compact 12V cordless impact wrench
- 3/8" square drive
- Designed for nuts and bolts
- Suitable for compatible mechanical anchor fastening
- Variable-speed trigger for improved fastening control
- Compact design for confined-space applications
- Lightweight configuration for improved maneuverability
- Ergonomic design for professional jobsite use
- Suitable for overhead fastening applications
- Ideal for electrical installation work
- Suitable for mechanical applications
- Useful for maintenance and service work
- Suitable for light construction applications
- Compatible with Hilti B 12-series lithium-ion batteries
- Battery and charger sold separately
Technical Specifications
| Product Type | Cordless Impact Wrench |
|---|---|
| Manufacturer | Hilti |
| Model | SIW 2-A12 |
| Drive Size | 3/8" Square Drive |
| Battery Platform | Hilti 12V |
| Speed Control | Variable-Speed Trigger |
| Primary Fastening | Nuts, Bolts, and Compatible Mechanical Anchors |
| Typical Applications | Electrical, Mechanical, Maintenance, Service, and Light Construction |
| Battery Included | No |
| Charger Included | No |
Compact 3/8" Square-Drive Design
The SIW 2-A12 features a 3/8" square drive for use with compatible impact-rated sockets and fastening accessories.
Its compact configuration makes it particularly useful when fastening hardware in areas where access is limited or where a larger impact wrench could be difficult to position.
Built for Tight Spaces
Confined-Space Fastening
The compact 12V design helps improve maneuverability around equipment, building systems, mechanical components, and other restricted work areas.
This makes the SIW 2-A12 a practical choice for installation and service tasks where tool size can directly affect accessibility.
Overhead Work
The lightweight and ergonomic design helps make the SIW 2-A12 easier to handle during compatible overhead fastening applications.
Its compact form can be beneficial for electrical, mechanical, and maintenance professionals working in ceilings and other elevated installation areas.
Variable-Speed Fastening Control
A variable-speed trigger gives the operator greater control over tool speed during fastening.
This helps the user adjust operation to the task at hand when installing or removing compatible nuts, bolts, mechanical anchors, and other threaded fasteners.
Nuts, Bolts & Mechanical Anchors
The SIW 2-A12 is designed for professional fastening and bolting applications involving compatible nuts, bolts, and mechanical anchors.
Always select an appropriate impact-rated socket and verify the required fastening procedure for the specific hardware or anchor system being installed.
12V Cordless Platform
The SIW 2-A12 operates on the Hilti B 12-series 12V lithium-ion battery platform, providing cordless mobility for installation, service, and maintenance work.
The compact battery platform complements the tool's lightweight design and helps maintain maneuverability when working in restricted spaces.
This configuration is tool-only. Battery and charger are sold separately.
Compatible 12V Batteries & Charger
Compatible Hilti B 12-series 12V lithium-ion batteries and the referenced C 4/12-50 battery charger are available separately from GetPipe.com.
Why Choose the Hilti SIW 2-A12?
Compact Cordless Performance
- Compact 12V design
- 3/8" square drive
- Variable-speed trigger
- Cordless jobsite mobility
- Designed for tight working areas
Professional Versatility
- Nut and bolt fastening
- Compatible mechanical anchors
- Electrical installation work
- Mechanical and maintenance applications
- Light construction and service work
Typical Applications
Electrical & Mechanical
- Electrical installation work
- Mechanical equipment installation
- Compatible mechanical anchors
- Nut and bolt fastening
- Overhead fastening applications
Maintenance & Construction
- Equipment maintenance
- Repair and service work
- Confined-space fastening
- Light construction applications
- General bolting tasks
Setup & Use
Inspect the SIW 2-A12, battery, square drive, socket, and fastening hardware before beginning work.
Install a compatible charged Hilti B 12-series 12V battery.
Select a compatible impact-rated 3/8" drive socket appropriate for the nut, bolt, anchor, or other fastener being installed or removed.
Make sure the socket is properly seated on the tool and fastener before operation.
Use the variable-speed trigger to control operation according to the fastening task.
Verify final fastening requirements according to the specifications or installation instructions for the hardware, equipment, or anchor system being installed.
Follow Hilti operating instructions for tool operation, battery handling, inspection, maintenance, transportation, and storage.
Our specialists can help review your fastening application, 3/8" drive requirements, compatible Hilti 12V batteries, charger, and other jobsite needs before you order.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What is the Hilti SIW 2-A12 used for?
The SIW 2-A12 is designed for compatible fastening and bolting applications involving nuts, bolts, mechanical anchors, and similar threaded hardware.
What drive size does the SIW 2-A12 use?
The SIW 2-A12 has a 3/8" square drive.
Is the SIW 2-A12 cordless?
Yes. It operates on the Hilti 12V battery platform.
Does the SIW 2-A12 have variable speed?
Yes. The supplied product information identifies a variable-speed trigger for improved fastening control.
Is the SIW 2-A12 suitable for tight spaces?
Yes. Its compact and lightweight design is intended to provide improved maneuverability when working in confined or difficult-to-access locations.
Can the SIW 2-A12 be used for overhead work?
The supplied product information identifies its lightweight, ergonomic design as suitable for overhead and confined-space work.
Can it be used for mechanical anchors?
Yes. Compatible mechanical anchor fastening is one of the applications identified in the supplied product information.
What trades is the SIW 2-A12 designed for?
Typical applications include electrical, mechanical, maintenance, service, and light construction work.
Does this configuration include a battery?
No. This is a tool-only configuration and does not include a 12V battery.
Does it include a battery charger?
No. A battery charger is sold separately.
Which battery platform is compatible?
The supplied product information identifies Hilti B 12-series 12V lithium-ion batteries as compatible.
What type of sockets should be used?
Use compatible impact-rated 3/8" drive sockets appropriate for the specific fastening application.
Important Ordering & Use Notes
- This listing is for the Hilti SIW 2-A12 3/8" Cordless Impact Wrench.
- This configuration is sold as a tool-only kit.
- A 12V battery is not included.
- A battery charger is not included.
- Compatible Hilti B 12-series 12V batteries are available separately.
- The referenced C 4/12-50 battery charger is available separately.
- The tool uses a 3/8" square drive.
- Select compatible impact-rated sockets for the intended application.
- Verify the appropriate fastening requirements for the nut, bolt, mechanical anchor, or other hardware being installed.
- Do not rely solely on impact-wrench operation where a specified final tightening procedure is required.
- Inspect the tool, battery, drive, socket, and fastener before operation.
- Use appropriate personal protective equipment.
- Follow applicable jobsite and fastening safety requirements.
- Refer to the Hilti Operating Instructions for complete operating, maintenance, battery-handling, and safety information.
