A comprehensive product kit shot of the Bosch 12V Max EC brushless 3/8-inch drill/driver, including the handheld tool, two 12V Max 2.0 Ah lithium-ion batteries, a battery charger, and a blue and black zippered carrying bag with the Bosch logo.
A technical infographic of the GSR12V-300 drill/driver with callouts highlighting key features: a compact head length for better balance, a high torque-to-weight ratio for professional performance, a two-speed transmission for optimized drilling and driving, an EC brushless motor for efficiency, 20 plus 1 clutch settings for precision, and a three-jaw keyless chuck.
A direct side profile view of the blue and black Bosch brushless drill/driver standing vertically, showcasing the red trigger, the variable torque adjustment collar, and the integrated battery fuel gauge.
A perspective studio shot of the Bosch 12V Max drill/driver from the front left, highlighting the compact design, keyless chuck, and ergonomic grip.
A studio shot of the Bosch 12V Max drill/driver from the front right profile, showing the silver metal belt clip attached to the side of the tool housing.
An action shot of a professional in protective gloves using the compact Bosch drill/driver to fasten a screw into a metal HVAC duct in a tight, industrial setting.
A worker using the 12V Max brushless drill to bore a hole into a metal electrical junction box mounted against a white cinder block wall.
Close-up action shot showing the Bosch drill/driver being used to install hardware inside a white wooden cabinet, demonstrating its effectiveness in confined spaces.
A person using the 12V Max drill to bore a pilot hole into a wooden cabinet frame that is held together by bar clamps.
A studio shot of the Bosch GSR12V-300 drill/driver resting on a metallic surface next to sections of conduit, with an industrial electrical panel visible in the background.
A graphic detailing the Bosch 12V Max Limited Warranty, featuring the Bosch logo and text stating a 3-year warranty for the tool, battery, and charger, effective February 1, 2025.
A comprehensive product kit shot of the Bosch 12V Max EC brushless 3/8-inch drill/driver, including the handheld tool, two 12V Max 2.0 Ah lithium-ion batteries, a battery charger, and a blue and black zippered carrying bag with the Bosch logo.
A technical infographic of the GSR12V-300 drill/driver with callouts highlighting key features: a compact head length for better balance, a high torque-to-weight ratio for professional performance, a two-speed transmission for optimized drilling and driving, an EC brushless motor for efficiency, 20 plus 1 clutch settings for precision, and a three-jaw keyless chuck.
A direct side profile view of the blue and black Bosch brushless drill/driver standing vertically, showcasing the red trigger, the variable torque adjustment collar, and the integrated battery fuel gauge.
A perspective studio shot of the Bosch 12V Max drill/driver from the front left, highlighting the compact design, keyless chuck, and ergonomic grip.
A studio shot of the Bosch 12V Max drill/driver from the front right profile, showing the silver metal belt clip attached to the side of the tool housing.
An action shot of a professional in protective gloves using the compact Bosch drill/driver to fasten a screw into a metal HVAC duct in a tight, industrial setting.
A worker using the 12V Max brushless drill to bore a hole into a metal electrical junction box mounted against a white cinder block wall.
Close-up action shot showing the Bosch drill/driver being used to install hardware inside a white wooden cabinet, demonstrating its effectiveness in confined spaces.
A person using the 12V Max drill to bore a pilot hole into a wooden cabinet frame that is held together by bar clamps.
A studio shot of the Bosch GSR12V-300 drill/driver resting on a metallic surface next to sections of conduit, with an industrial electrical panel visible in the background.
A graphic detailing the Bosch 12V Max Limited Warranty, featuring the Bosch logo and text stating a 3-year warranty for the tool, battery, and charger, effective February 1, 2025.
BOSCH

Bosch Cordless Drill GSR12V-300B22 12V Brushless Driver Kit (3/8 Keyless Chuck 300 In-Lbs Torque Two 2Ah Batteries Charger Bag Overheads Fastening)

In stock
SKU: GSR12V-300B22
$199.00 USD

Description

Bosch Promtional Logo Logout

Contractor-Grade 12V Brushless 3/8-Inch Cordless Driver System for Ultra-Compact Overhead Installation and Precision Cabinet Fastening

The Bosch GSR12V-300B22 12V Max EC Brushless 3/8-Inch Drill Driver Kit delivers professional-grade mechanical velocity and rotational torque in restricted building structures. Driven by a high-efficiency EC brushless motor, this compact power tool generates a variable speed layout matching 0-460 RPM or 0-1,750 RPM alongside a strong 300 In.-Lbs. maximum torque profile. This mobile drilling solution resolves physical space constraints and user muscle fatigue problems during high-volume overhead electrical grid rough-ins or tight sub-cabinet plumbing connections by maintaining an agile 6.0-inch head length and a lightweight bare tool profile of only 1.6 lbs. Supplied with two 2.0 Ah Lithium-Ion batteries and a dedicated speed charger, this system ensures uniform bit tracking via a three-jaw keyless chuck matrix and a 20+1 precision mechanical clutch.

Best Used For:

  • Overhead Conduit Box Mounting: Driving structural self-tapping screws through metal studs and junction panels while working on extended ladder scaffolding layouts.
  • Cabinet Hardware Installation: Boring accurate pilot hinge holes and seating hinge fasteners into dense hardwoods or delicate melamine laminates without surface marring.
  • Restricted Utility Routing: Running wood spade boring bits up to 3/8-inch configurations inside narrow cabinet bases or small stud bay openings for plumbing lines.

Key Performance & Safety Features

  • Compact Brushless EC Motor: Provides extended operational lifecycle metrics and high structural efficiency while producing up to 300 In.-Lbs. of max torque force.
  • Short 6.0-Inch Profiling Head: Optimized minimal frame length enables complete linear hardware access into tight architectural corners.
  • Dual Gear Transmission: Permits operators to pivot mechanically between low-gear high torque (0-460 RPM) and high-gear rapid hole boring (0-1,750 RPM).
  • 20+1 Mechanical Clutch: Specialized slip rings allow technical variation of output limits to eliminate hardware stripping and over-driving.
  • Three-Jaw Keyless Chuck: Hardened internal gripping faces deliver secure bit jaw compression and allow rapid tool swaps on the fly.

What's Included

  • (1) GSR12V-300 12V Max EC Brushless 3/8 In. Drill/Driver
  • (2) 12V Max Lithium-Ion 2.0 Ah Slim Batteries
  • (1) 12V Max Battery Speed Charger
  • (1) Four-Tip Secure Bit Holder Attachment
  • (4) Impact Tough Screwdriving Insert Bits
  • (1) Steel Spring Belt Clip
  • (1) Protective Fabric Transport Bag

Technical Specifications

Specification Value
Brand Bosch
Model Number GSR12V-300B22
Voltage Rating 12V Max
Motor Structural Type Brushless EC Engine
Chuck Sleeve Diameter 3/8 in
Chuck Jaw Architecture Keyless Three-Jaw Interface
Maximum Rotational Torque 300 In.-Lbs.
No Load RPM Range 0 - 460 / 0 - 1,750 RPM
Clutch Indexed Increments 20 Settings + 1 Bypass Mode
Head Frame Length 6.0 in
Chassis Tool Height 7.2 in
Chassis Tool Width 2.1 in
Battery Pack Chemistry 2.0 Ah Lithium-Ion Cells
Net Bare Tool Weight 1.6 lbs.

Pro-Tip: When boring deep tracking penetrations into seasoned structural timbers, select high-gear speed (1,750 RPM) and modulate the variable trigger frame softly. This mechanical setup decreases thermal friction buildup along the drill bit lands and keeps clear pathways through deep wood shavings.