Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – Driver Kit

Drills are very much an essential part of any carpentry, DIY or some somber other tradesman works. Every workshop which works on metal, wood or even concrete requires drills in their day-to-day operations. In such instances, it becomes hard to find drills which are very easy to operate, have multiple functionalities which would truly prove its worth and most importantly long last till your work doesn’t finish off.

Here we are with another great drill from one of the leaders of power tools industry. This is the review of Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill Kit where we take a deep look into every aspect of the drill and explain to you what best in this drill and what is not. Based on our opinions and your considerations, you can decide whether to buy this drill or not. Let’s start by talking about the history of the brand “Bosch.”

Bosch PS31-2A
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Bosch Tools:

Bosch Tools is one of the world leaders of a market of power tools and power tool accessories and is a division of the Bosch Group. Bosch tools formed in North America in the year 2003 when Robert Bosch GmbH combined its North American power tools and power tools accessory divisions into one organization. Bosch tools are well known for their innovation driven product development and their dedicated associates who are furious to the latest technologies. Bosch Tools introduces nearly 100 new power tools and accessories each year. Robert Bosch Tool Corporation is famous for its design, manufacture, and sale of power tools, power tool accessories, laser and optic leveling devices, and range finding devices.

Product Overview:

Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – the Driver, is a compact, lightweight drill designed to fit perfectly in your hands without any difficulties. The all plastic body of this drill is surrounded by the rubber grips wherever necessary to make it easy to hold as well as to guard it against breaking. The drill has some specific features which are worth noticing, as they surprise you when you look at its price point, and the power packed features which it offers. This drill is useful in performing all your drilling and fastening operations at home and some lightweight applications at workshops.

Though being very compact in design, the drill offers 265 inches per pound of torque and can be setup at two different speed ranges. One is at 0 – 350 rpm range and another at 0 – 1300 rpm which is appreciable to provide. The drill supports 2A Li-ion batteries, and a flashlight is provided at the bottom to help you during dark times of your operations. Continue to read our article as we describe more features of this driver in detail.

Key Specifications:

  • Compact design, light weight of the tool makes this drill easier to use
  • Newly developed ⅜ inch single sleeve chuck to accommodate 90 percent of common applications.
  • Fuel gauge allows for easier battery management
  • Two speeds (0-350 rpm and 0-1500 rpm) for faster driving and drilling operations
  • The LED light can be used for work area light illumination and help you work in tight spaces.

Detailed specifications for Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – Driver Kit:

Product Name

Bosch PS31 – 2A

Item Weight

5 pounds

Package Dimensions

12.6 X 9.8 4.2 inches





Power source



12 volts

Special Feature

Variable speed

Included Components


Batteries included?


Batteries Required?


Battery Cell Type



30 Day Money back guarantee – 1 year warranty

Editor’s Rating


Product Link

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Key Features of Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – Driver Kit:

There are certain features of this drill which make you lure for it. So many features of it are unique to the group of people which are looking for a budget device to carry out their day-to-day operations. Let’s check out some of the outstanding features of this drill below:

  • Lightest drill in its class: Thanks to its ergonomic design and materials used which makes this drill to be compact and lightweight. The total weight of this drill is just 2 pounds with battery attached that makes it so easy to hold and handling all overhead or tight space operations comfortably. This drill is also one of the lightest weight in its class. This drill also allows you to perform drilling or fastening operations quickly. It also lets you tackle all your professional services with ease.
  • Power Box: Though being light in weight, it doesn’t mean that the performance of the drill gets impacted any which ways. The 12V max drill/driver gives you the output of 265 inches per pound of torque. The motor tucked inside the drill is operable at two different speeds. One is 0-350 rpm and another at 0-1300 rpm. Since there are two separate speeds at which the motor is allowed to run, it is used at high torque as well as the low torque applications.
  • Clutch Settings: There are 20 clutch settings which are visible to the users to choose from and allows them to change torque variable based on the materials and applications where they are using it. This feature comes in handy most of the times, as this feature is termed to be available only in some high end or premium drills.
  • Li-ion batteries: As compared to the hazardous NiCad batteries, this drill/driver comes with lightweight 12v Li-ion batteries. Since it is Li-ion batteries used in here, they are future proof. Also, they will be compatible with many other Bosch’s Li-ion batteries. These batteries come with the trademark Electronic Cell protection technology by Bosch which extends the lifetime and run time of the tool. Two batteries come inside the box that helps you to replace the dead battery in the emergency immediately.
  • LED Light: There is a little LED Flashlight placed just below the trigger of the drill which turns ON automatically when you trigger the drill switch. This trigger illuminates high beam of light when you are performing operations in dark space or the tight areas. The visibility is improved and helps to reduce a burden of carrying another flash light when performing drilling or fastening operations during night times.
Bosch PS31-2A
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Full Detailed specifications of every part of Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – Driver Kit:

  • Weight: The lightest drill in its segment, this drill weighs just 2.14 pounds with batteries attached and makes to perform operations efficiently.
  • Dimensions: The length of this 12V drill is just 7 inches, and the width of this drill is 2.5 inches. Because of its short length and short height it doesn’t let you feel the burden of holding it.
  • Motor: There is a 12 volt brushed motor placed inside this drill which is capable of producing 265 inches per pound amount of torque.
  • Speed: There are two different gear shifts available for this drill. One is at 0-350 rpm and the other being 0 – 1300 rpm.
  • Clutch settings: There are 20+1 clutch settings available for the users that make it control torque and hence get the precision in operations that are being carried out.
  • Chuck: The chuck used in this drill is ⅜ inch single sleeve three jaw chuck which allows to hold the drill bits easily and performs the operations without any tension or stress to put on it.
  • Batteries: This drill comes with two 12V 2A Li-ion batteries. These batteries are compact and are easy to place and remove from the drill battery holder.
  • Quick Charger: The charger that comes with this drill is a BC330 12v 110V source charger that charges the batteries to full within 60 minutes.

What comes inside the box?

Below mentioned are the list of things which you will find once you open up the parcel box:

  • One 12V Max ⅜ inch Drill/Driver
  • Two 12V Max Li-ion batteries
  • One BC330 charger
  • Two screwdriver bits
  • One carrying bag


  • High in power, low in the package: One of the highlighting features of this drill is its design and the power that comes from behind of it. It is just 2.14 pounds in weight and offers you a torque of 265 inches per lbs. The drill is 22 percent compact, delivers 25 percent more torque and is 15 percent faster than its older sibling.
  • Light batteries: The main reason which we certainly believe for its little weight is because of the lightweight Li-ion batteries packed inside it. These light batteries though being 2A 12V of rating allow the drill to work longer. It keeps the drill working for the whole day without any disruptions.
  • Fuel gauge indicators: There are indicators on both the drill as well as the charger. The drill shows the battery status which might be a minor thing but helps you a lot to understand the battery status and lets you charge as required. Also, there is an indicator on the quick charger that helps you understand when the charger is charging the battery and when it is not.
  • Warranty: The drill comes with a 30-day money back and three-year warranty contract. This warranty is termed as Bosch ProVantage warranty which lets you replace tool in case of any failures. It comes with one-year tool replacement guarantee whereas second and third year includes free tool repair. Hence the tool will be under warranty for three years whereas the batteries will be for two years.


  • Not recommended for heavy applications: Though it is desirable to use this drill on various other materials like plastic, wood, metal, it is certainly not advisable to use for materials like concrete or masonry as this drill is not designed to handle high pressures. End of using this 12V Max drill against such materials may result in breaking any one of the inner parts of this drill hence it is highly recommended to read through the manual carefully which describes against which materials it’s nice to use and not.
  • ⅜ Chuck may be a turner for some: Yes, for some this could be a turning point. Although there is nothing wrong with this metal ⅜ single sleeve chuck, for some who are looking for high control and precision applications, this might turn down the decision of purchase.
Bosch PS31-2A
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Video Review of Bosch PS31-2A


Drills are one of the crucial tools for any DIY or power house workshop operations. In case you are looking for a drill which can perform all your necessary household operations like drilling and driving, then this drill is definitely for you. It is worth mentioning that the features this drill kit offer at price package is not comparable. This drill combines speed, power, and performance making it ideal for any household users or the professionals to use.

Bosch PS31-2A 12-Volt 3/8-Inch 2-Speed Drill – the Driver, is one robust drill with some highlighted features which are best in their class. Features in this drill include 265 inch per lbs. of torque offered by 12 V max motor, a ⅜ inch all metal single sleeve three jaw chuck, 20 clutch settings for precision control, Li-ion batteries that runs for the whole day without any noticeable drain, additional battery to help you in any emergency situations, fuel gauge indicators that show you the battery charge status, quick charger, flashlight to assist you in dark or tight areas. All the above, a compact, lightweight design that makes this drill super small and weight as thin as 2.14 lbs. All in all, there are very few things to complain about this drill, and when you look out for the price along with the trust behind the Bosch brand, you will certainly forget about those cons. So in our opinion, if you are looking for a lightweight, compact drill to carry out your DIY or workshop operations then this drill just deserves a thumbs up from us and believe us this drill will stand up to your expectations.

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