Bosch PS42-02 12V Max EC Brushless Impact Driver Kit
- 12 volt cordless impact driver
- 975 inch pounds maximum torque
- 2600 RPM maximum rotational speed, 2 speeds
- 13 millimeter maximum chuck size
- Built-in LED work light, compact body
- Tool bag listed as included
- 3-year limited warranty on tool, charger and batteries
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A short-bodied driver with a work light and two speeds, suited to fastening in tight spots. The listing mentions a tool bag but does not say whether a battery or charger comes with it.
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ASIN: B01J4IDCMGModel: PS42-02Category: Impact Drivers & Wrenches
Overview
A homeowner or contractor who drives screws in cabinets, framing and tight corners gets a stubby tool with a built-in LED light. Two speed settings let the user trade rotational speed against control, and a battery pack powers it.
The strengths are the compact body and a torque rating that handles most fastening work at this voltage class. The limitation is the missing detail on what ships in the box: only a tool bag is named, and the batteries are not.
Who it's for
Remodelers working overhead or inside cabinets will notice the short body and the light that shines on the fastener. Mechanics or framers who drive long structural screws all day need more torque and a bigger platform.
Pros and cons
- Built-in LED work light
- Compact body for tight spots
- Two speed settings
- High torque rating for its size
- Battery and charger not confirmed in the box
- Warranty requires calling for details
- Voltage class limits sustained heavy fastening
- Weight listed without battery detail
Performance notes
Impact drivers deliver rotation plus a hammering action, so torque at the bit depends on the speed setting and the battery charge. The lower speed gives more control for small screws, while the higher setting drives faster. The listing gives two different speed figures, so treat the top no-load rating as an upper limit.
Specifications
| Brand | BOSCH |
|---|---|
| Model | PS42-02 |
| Dimensions & fit | |
| Maximum Chuck Size | 13 Millimeters |
| Item Dimensions L X W X H | 5.5 inches L x 2.2 inches W x 7.04 inches H |
| Item weight | 2.2 Pounds |
| Capacity & performance | |
| Maximum Rotational Speed | 2600 RPMlower than 89% of 36 impact drivers & wrenches |
| Number Of Speeds | 2 |
| Speed | 3100 RPM |
| Power & efficiency | |
| Power Source | Battery Powered |
| Voltage | 12 Volts |
| Maximum Power | 850 Watts |
| Construction & materials | |
| Color | Black |
| Material Type | Blend |
| Included components | |
| Included Components | Tool Bag |
| Unit Count | 1.0 Count |
| Warranty & support | |
| Manufacturer Warranty Description | Three year limited warranty on 12V Max tools, chargers and batteries |
| Other details | |
| Maximum Torque | 975 Inch Poundslower than 80% of 36 impact drivers & wrenches |
| Drill Type | Impact Driver |
| Additional Features | Built-In LED Working Light, Compact |
| Is Electric | No |
Closest rivals on specs
Milwaukee 3450-20 M12 Subcompact 1/4 in Hex Impact Driver- Maximum Torque 975 vs 1100 in-lb (-11%)
- Maximum Rotational Speed 2600 vs 3000 RPM (-13%)
Ryobi R18ID2-0 18V One+ Impact Driver- Maximum Torque 975 vs 1800 in-lb (-46%)
CRAFTSMAN CMCF801D1 1/4 in Impact Driver Kit- Maximum Torque 975 vs 1800 in-lb (-46%)
- Maximum Rotational Speed 2600 vs 2900 RPM (-10%)
Frequently asked questions
What do I need to start using the Bosch PS42-02?
The PS42-02 is battery powered at 12 volts and the listing names only a tool bag as included, so check the seller for the battery and charger.
Is the Bosch PS42-02 a drill?
It is listed as an impact driver, built to drive fasteners rather than to drill with a keyed chuck.
How long is the Bosch PS42-02 warranty?
The listing describes a three year limited warranty on the tool, charger and batteries, with details by phone.