A side profile view of the Bosch GSR12V-300N 12V Max 3/8-inch drill/driver featuring a compact blue and black design with the brushless motor logo clearly visible on the motor housing.
Product informational graphic for the GSR12V-300N highlighting key features such as the EC brushless motor, 300 inch-pounds of torque, two-speed transmission, and a compact head length of 6.0 inches.
A direct front view of the Bosch 12V Max drill driver focusing on the professional three-jaw keyless chuck and the integrated LED light positioned just above the trigger.
Top-down view of the brushless drill/driver showcasing the red mechanical two-speed gear selector switch and the ergonomic textured grip on the motor housing.
An angled side perspective of the compact Bosch 12V drill highlighting the 20 plus 1 clutch setting ring, the red forward and reverse switch, and the lightweight ergonomic handle.
A close-up view of the drill/driver head showing the keyless chuck and the LED worklight activated to demonstrate its ability to clarify dark workspaces.
The Bosch 12V Max brushless drill/driver displayed with its included professional accessories: a magnetic four-tip bit holder, Impact Tough driver bits, and a silver belt clip.
Action shot of a professional using the Bosch GSR12V-300N for an overhead fastening application, demonstrating the tool's 1.6-pound lightweight design and maneuverability.
Detailed view of the drill's torque adjustment collar, showing the numerical clutch settings and the dedicated drill mode icon for precise fastening control.
Informational graphic detailing the Bosch 12V Max limited warranty, which offers a 3-year protection plan for cordless power tools effective February 1, 2025.
A side profile view of the Bosch GSR12V-300N 12V Max 3/8-inch drill/driver featuring a compact blue and black design with the brushless motor logo clearly visible on the motor housing.
Product informational graphic for the GSR12V-300N highlighting key features such as the EC brushless motor, 300 inch-pounds of torque, two-speed transmission, and a compact head length of 6.0 inches.
A direct front view of the Bosch 12V Max drill driver focusing on the professional three-jaw keyless chuck and the integrated LED light positioned just above the trigger.
Top-down view of the brushless drill/driver showcasing the red mechanical two-speed gear selector switch and the ergonomic textured grip on the motor housing.
An angled side perspective of the compact Bosch 12V drill highlighting the 20 plus 1 clutch setting ring, the red forward and reverse switch, and the lightweight ergonomic handle.
A close-up view of the drill/driver head showing the keyless chuck and the LED worklight activated to demonstrate its ability to clarify dark workspaces.
The Bosch 12V Max brushless drill/driver displayed with its included professional accessories: a magnetic four-tip bit holder, Impact Tough driver bits, and a silver belt clip.
Action shot of a professional using the Bosch GSR12V-300N for an overhead fastening application, demonstrating the tool's 1.6-pound lightweight design and maneuverability.
Detailed view of the drill's torque adjustment collar, showing the numerical clutch settings and the dedicated drill mode icon for precise fastening control.
Informational graphic detailing the Bosch 12V Max limited warranty, which offers a 3-year protection plan for cordless power tools effective February 1, 2025.
BOSCH

Bosch Drill Driver GSR12V-300N 12V Max 3/8 Inch EC Brushless (300 In-Lbs Torque 1750 RPM Keyless Chuck Compact Cabinetry Overhead Fastening Bare Tool)

In stock
SKU: GSR12V-300N
$139.00 USD

Description

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Commercial-Grade 12V Max EC Brushless 3/8-Inch Chuck Drill-Driver with 300 In-Lbs Torque Output and Two-Speed Transmission

The Bosch GSR12V-300N 12V Max 3/8-Inch EC Brushless Drill Driver delivers structural hardware fastening utility and exceptional drilling speed for intricate wood and metal modifications. Engineered with a high-performance variable-speed motor reaching up to 1,750 RPM, this specialized power tool generates a potent 300 in-lbs of rotational torque. This structural assembly solution resolves spatial cabinetry access constraints, thread stripping errors, and repetitive arm fatigue by combining a ultra-compact 6.0-inch head length profile with a highly responsive 20+1 position mechanical clutch mechanism. Outfitted with an integrated LED worklight to clarify dark enclosures and a robust three-jaw keyless chuck, this 1.6 lb pocket workstation optimizes tradesperson productivity across restricted ceiling bays and utility runs. **Battery and charger sold separately.

Best Used For:

  • Overhead Conduit Installation: Driving sheet metal screws and anchoring brackets continuously into metal studs or high ceiling structural bays.
  • Precision Cabinet Assembly: Setting hardware hinge screws smoothly into dense hardwood veneers using the adjustable torque control clutch steps.
  • Cramped HVAC Troubleshooting: Drilling specialized sheet metal access panels and boring pilot paths inside dense building ventilation enclosures.

Key Performance & Safety Features

  • EC Brushless Motor Technology: Maximizes internal energy conversion efficiency to yield longer operating life cycles and continuous high-torque delivery.
  • Two-Speed Gearbox Selector: Provides a low-gear high-torque setting (0-460 RPM) and a high-gear velocity configuration (0-1,750 RPM) for varied materials.
  • 20+1 Torque Clutch Adjuster: Graduated manual ring dial prevents over-driving forces, preventing strip damage on soft structural workpieces.
  • Three-Jaw Keyless Chuck: Hardened 3/8-inch single-sleeve receiver ensures absolute bit retention forces and quick one-handed bit swaps.
  • Compact Lightweight Footprint: Ergonomic 6.0-inch chassis length minimizes center-of-gravity offsets to maintain flawless tool balance overhead.

What's Included

  • (1) GSR12V-300 12V Max EC Brushless 3/8-Inch Drill/Driver Base Unit
  • (1) Magnetic Four-Tip Bit Holder Extension
  • (4) Impact Tough™ Screwdriver Bit Inserts
  • (1) Heavy-Duty Spring Steel Belt Clip

Technical Specifications

Specification Value
Brand Name Bosch
Model Number GSR12V-300N
Operating Base Voltage 12V Max DC
Motor Drive Architecture EC Brushless
Peak Rotational Torque 300 In.-Lbs.
No Load Speed Ranges 0 - 460 / 0 - 1,750 RPM
Chuck Size & Style 3/8 in. Keyless Three-Jaw Chuck
Torque Slip Settings 20 + 1 Positions
Variable Speed Trigger Yes
Overall Head Length 6.0 in.
Overall Chassis Height 6.3 in.
Overall Chassis Width 2.0 in.
Bare Instrument Weight 1.6 lbs.

Pro-Tip: When boring hole patterns into aluminum profiles, drop the gearbox speed setting down to mode 1. Running the lower range optimizes torque transmission and limits early tip wear on your cobalt or high-speed steel drill bits.