Bosch PS31-2A 12V Max Drill/Driver Kit Review


The Bosch PS31-2A 12V Max Drill/Driver Kit is designed for professional-grade performance in a compact and lightweight package. This review provides a detailed analysis of the drill/driver’s specifications, key features, design, performance, ease of use, and maintenance.


Voltage12V Max
Chuck Size3/8 Inch
Maximum Rotational Speed350 RPM
Amperage2 Amps
Speed‎1300 RPM
Item Weight3 Pounds
Maximum Power‎850 Watts

Key Features of Bosch PS31-2A 12V Max Drill/Driver Kit

A Bosch PS31-2A 12V Max 3/8 In. Drill/Driver.
  • Compact and Lightweight Design: The Bosch PS31-2A is designed for easy handling and maneuverability, making it ideal for working in tight spaces or overhead tasks.
  • Two-Speed Transmission: This feature allows for precision and power, enabling users to choose the appropriate speed for the task at hand, whether it’s drilling or driving screws.
  • 20+1 Clutch Settings: With 20+1 clutch settings, users can precisely adjust the torque to match the material and screw size, reducing the risk of stripping screws or damaging the workpiece.
  • Integrated LED Light: The built-in LED light enhances visibility in dark or confined areas, ensuring that users can see their work clearly and accurately.
  • Battery Fuel Gauge: The drill/driver is equipped with a battery fuel gauge, which allows users to monitor the charge level and plan their work accordingly, reducing downtime.

Design and Build Quality

The Bosch PS31-2A 12V Max Drill/Driver Kit showcases a sturdy and user-friendly design, ensuring comfort even during extended usage. Its compact and ergonomic build not only makes it easy to handle but also facilitates smooth movement in confined work areas.

A used Bosch PS31-2A 12V Max Drill/Driver Kit on a carpeted floor.

The durable construction of the tool guarantees reliability, while its thoughtful design prioritizes user comfort and practicality, making it an ideal choice for various drilling and driving tasks. The drill/driver kit’s compact size enables effortless navigation through tight spaces, enhancing accessibility and usability in challenging work environments

Moreover, its ergonomic design minimizes strain and discomfort, promoting a more pleasant and efficient user experience. The combination of durability, user comfort, and maneuverability in the Bosch PS31-2A 12V Max Drill/Driver Kit underscores its suitability for both professional and DIY use, ensuring that users can accomplish tasks with ease and confidence.


The Bosch PS31-2A 12V Max Drill/Driver Kit motor is engineered to provide efficient power for a variety of drilling and driving tasks. Its compact size belies its ability to handle tasks from assembling furniture to installing fixtures with ease. The two-speed transmission is a standout feature, allowing users to switch between high-speed drilling for quick holes and high-torque settings for driving screws with precision.

A person using a Bosch PS31-2A 12V Max Drill/Driver Kit to drive a screw into a wooden surface, with a spool of cable in the background.

This drill/driver’s performance is further enhanced by its lightweight design, which reduces user fatigue during extended use. The balanced power-to-weight ratio ensures that even though it’s light, it doesn’t compromise on the power needed to get the job done. Whether you’re a professional or a DIY enthusiast, the Bosch PS31-2A 12V Max Drill/Driver Kit offers the performance and versatility needed to tackle a wide range of projects with confidence.

Ease of Use and Maneuverability

The Bosch PS31-2A 12V Max Drill/Driver Kit’s lightweight and compact design, combined with its ergonomic handle, offers exceptional control and comfort, effectively minimizing user fatigue during prolonged use. This thoughtful design allows users to handle the tool with ease, contributing to a more comfortable and less strenuous working experience.

Hand holding a Bosch PS31-2A drill with a bit, against a wooden floor background.

Moreover, the integrated LED light significantly improves visibility in dimly lit workspaces, ensuring that users can work with precision and confidence in various lighting conditions.

This enhancement not only boosts the overall user experience but also underscores the kit’s practicality and user-centric design, catering to the diverse needs of professionals and DIY enthusiasts alike.

Bosch PS31-2A 12V Max Drill/Driver Kit Pros and Cons


  • Compact and lightweight design
  • Versatile two-speed transmission
  • Enhanced visibility with LED light
  • Durable construction for long-term use


  • Limited power for heavy-duty tasks
  • Smaller chuck size may not accommodate larger drill bits

Comparative Analysis of the Bosch PS31-2A 12V Max Drill/Driver Kit

FeaturesBosch PS31-2A 12V Max Drill/Driver KitMilwaukee M12 2407-22 3/8 Drill/Driver KitDEWALT DCD710S2 12V Max 3/8-Inch Drill Driver Kit
Voltage12V Max12V Max12V Max
Battery Type2.0 Ah Lithium-IonM12 REDLITHIUM12V Max Lithium-Ion
Speed0-350 / 0-1,300 RPM0-400 / 0-1,500 RPM0-400 / 0-1,500 RPM
Torque265 in-lbs275 in-lbs189 in-lbs
Chuck Size3/8 inch3/8 inch3/8 inch
Weight2.14 lbs (with battery)2.1 lbs (with battery)2.4 lbs (with battery)
Key FeaturesCompact, Lightweight, Integrated LEDCompact, High torque, Fuel gaugeLightweight, Compact, LED light
ProsLightweight, Easy to maneuverHigh torque, Compact designCompact, Ergonomic design
ConsLimited battery lifeLimited speed controlLower torque compared to others


Bosch PS31-2A 12V Max Drill/Driver Kit: Known for its compact and lightweight design, the Bosch PS31-2A is ideal for users seeking ease of maneuverability and precision in their tasks. While it offers efficient performance, its battery life is comparatively limited.

Milwaukee M12 2407-22 3/8 Drill/Driver Kit: This drill stands out for its high torque and compact size, making it suitable for a range of applications. However, it may lack some speed control features found in other models.

DEWALT DCD710S2 12V Max 3/8-Inch Drill Driver Kit: The DEWALT DCD710S2 is appreciated for its compact and ergonomic design, providing comfort and efficiency. Though it offers good performance, it has a lower torque compared to its counterparts.


Maintaining and caring for your Bosch PS31-2A 12V Max Drill/Driver Kit is essential to ensure its longevity and optimal performance. Here are some tips to keep your tool in top condition:

Bosch PS31-2A 12V Max Drill/Driver kit with a drill, two batteries, a charger, and a carrying case.
  1. Clean Regularly: After each use, wipe the drill/driver with a clean, dry cloth to remove any dust or debris. Pay special attention to the ventilation slots to prevent overheating.
  2. Check the Chuck: Periodically inspect the chuck for wear or damage. If the chuck becomes difficult to tighten or loosen, it may need to be serviced or replaced.
  3. Lubricate Moving Parts: Apply a small amount of light machine oil to the chuck and other moving parts to keep them operating smoothly. Avoid using too much oil, as it can attract dust and grit.
  4. Store Properly: When not in use, store the drill/driver in a cool, dry place. If storing for an extended period, remove the battery to prevent any potential leakage.
  5. Battery Care: Charge the batteries regularly to keep them in good condition. Avoid leaving the batteries in the charger for an extended period, and store them in a cool, dry place when not in use.
  6. Check for Wear: Regularly inspect the drill/driver for any signs of wear or damage. If you notice any issues, such as a loose handle or unusual noises, have the tool serviced by a professional.

Practical Tips for Use

To get the most out of your Bosch PS31-2A 12V Max Drill/Driver Kit, consider the following practical tips:

Helpful tips icon
  • Select the Right Bit: Choose the appropriate drill bit or driver bit for the material and task at hand. Ensure the bit is securely fastened in the chuck before starting.
  • Adjust the Clutch: Utilize the 20+1 clutch settings to match the torque to the specific job, preventing overdriving or stripping screws.
  • Use the Correct Speed: Select the low-speed setting for high-torque applications like driving screws, and the high-speed setting for drilling tasks.
  • Apply Steady Pressure: When drilling, apply steady and moderate pressure to the drill. Let the tool do the work without forcing it.
  • Maintain Balance: Keep the drill/driver balanced and steady during use to ensure accurate drilling or driving.
  • Utilize the LED Light: Take advantage of the integrated LED light to illuminate the work area, especially in dimly lit spaces.
  • Monitor Battery Life: Keep an eye on the battery fuel gauge to ensure you have enough charge to complete your task. Have a spare battery charged and ready if needed.
  • Practice Safety: Always wear appropriate safety gear, such as safety glasses, when using the drill/driver. Keep your work area clean and free of clutter.


The Bosch PS31-2A 12V Max Drill/Driver Kit stands out as a versatile and user-friendly tool, ideal for a wide range of applications. Its compact and lightweight design, combined with efficient performance and practical features, makes it a favorite among professionals and DIY enthusiasts alike. While it may have limitations in terms of battery life and power for heavy-duty tasks, its overall functionality and ease of use make it a valuable addition to any toolkit.

Frequently Asked Questions (FAQs)

1. What is the maximum torque of the Bosch PS31-2A 12V Max Drill/Driver Kit?

The Bosch PS31-2A 12V Max Drill/Driver Kit offers a maximum torque of 265 in-lbs.

2. What is the battery type used in this drill/driver?

It uses a 2.0 Ah Lithium-Ion battery.

3. Can the chuck size accommodate larger drill bits?

The chuck size is 3/8 inch, which may not accommodate larger drill bits.

4. Is the LED light always on during operation?

The LED light is activated when the trigger is pressed and helps illuminate the work area.

5. How does the battery fuel gauge work?

The battery fuel gauge indicates the remaining charge, allowing users to plan their work and recharge as needed.

6. Can the Bosch PS31-2A 12V Max Drill/Driver Kit be used for heavy-duty tasks?

While it is powerful for its size, it may not be suitable for heavy-duty tasks that require more power.

7. What are the speed settings on this drill/driver?

It has two-speed settings: 0-350 RPM for high torque and 0-1,300 RPM for high-speed drilling.

8. Is this tool suitable for professional use?

Yes, the Bosch PS31-2A 12V Max Drill/Driver Kit is designed for professional-grade performance, making it suitable for both professional and DIY use.

9. How should this drill/driver be stored when not in use?

Store the tool in a cool, dry place, and remove the battery if storing for an extended period.

10. Are the batteries included in the kit?

Yes, the kit includes two 2.0 Ah Lithium-Ion batteries, a charger, and a carrying case.

Arthur Cooper
Arthur Cooper
Forestry Author


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