The Bosch GBM-350 is a dedicated drill driver designed for precision drilling tasks, equipped with a powerful motor suitable for various materials. In contrast, the GSB-550 is a versatile drill driver with additional features like hammer drilling, making it suitable for a wider range of applications.
Key Takeaways
- GBM 350 is a rotary drill; GSB 550 is an impact drill, providing different drilling functions for various materials.
- GSB 550 has a higher power output (550W) than GBM 350 (350W), offering better performance in heavy-duty applications.
- GBM 350 is lighter and more compact, making it suitable for smaller tasks; GSB 550 is larger and better for heavy-duty work.
Bosch GBM-350 vs GSB-550
The Bosch GBM 350 is a drill machine designed for light to medium-duty applications such as wood, metal, and plastic drilling. The Bosch GSB 550 is a more versatile tool that can be used as a drill, has a 550-watt motor, 13 mm drilling capacity in concrete, and a speed range of 0-2800 RPM.
Comparison Table
| Feature | Bosch GBM-350 | Bosch GSB-550 |
|---|---|---|
| Type | Rotary Hammer Drill | Hammer Drill with Driver Function |
| Chuck Size | 3/8″ (10mm) | 1/2″ (13mm) |
| Max Drilling Capacity | Concrete: 5/16″ (8mm), Steel: 3/8″ (10mm), Wood: 1/2″ (13mm) | Concrete: 1/2″ (12mm), Steel: 1/2″ (13mm), Wood: 1-1/8″ (28mm) |
| Impact Rate | 0 BPM (No hammering function) | Up to 4,400 BPM |
| No-Load Speed | 0-1,700 RPM | 0-2,800 RPM |
| Weight | 4.4 lbs (2 kg) | 6.6 lbs (3 kg) |
| Applications | Light drilling in concrete, masonry, and wood | Drilling and hammering in concrete, masonry, and wood, Screwdriving |
| Price | Generally less expensive | Generally more expensive |
What is Bosch GBM-350?
The Bosch GBM-350 is a 12V cordless drill driver designed for light to medium DIY and home improvement projects.
Key Features
Power & Performance
- Compact brushed motor provides 350 in/lbs of max torque
- Single speed transmission with variable speed trigger
- 15+1 clutch settings for control
Batteries & Charging
- Comes with two 12V lithium-ion batteries
- Charger fully recharges battery in 3-5 hours
- Battery fuel gauge indicates charge level
Design & Handling
- Lightweight at only 3.5 lbs
- LED worklight illuminates work area
- 1/2″ plastic chuck for quick bit changes
- Soft grip handle for comfort
Durability
- Strong plastic housing resists jobsite abuse
- Sealed switch protects internal components
Additional Features
- Belt clip for easy portability
- 25+1 clutch settings for precise control
- 2 year warranty
Overview
The Bosch GBM-350 drill driver provides adequate power and features for most common DIY tasks and home repairs in a compact 12V platform. With its lightweight design, easy handling, and bright work light, it’s a versatile choice for homeowners looking for an affordable go-to drill.
What is Bosch GSB-550?
The Bosch GSB-550 is an 18V cordless drill driver designed for professional use and heavy duty applications.
Key Features
Power & Performance
- Brushless motor provides 550 in/lbs of max torque
- 2-speed transmission: 0-400 & 0-1,300 RPM speeds
- 20+1 clutch settings for precise torque control
Batteries & Charging
- Comes with two 18V FatPack lithium-ion batteries
- Long battery life – up to 600 screw driving tasks per charge
- Charger recharges battery in 60 minutes
Design & Handling
- Sturdy metal 1/2″ keyed chuck
- Weighs 5.3 lbs for balance and control
- LED light illuminates work area
- Soft grip handle for comfort
Durability
- Built with Bosch’s Durashield housing for jobsite toughness
- Sealed switch and ball-bearing construction
- Meets strict Bosch ProVantage tool standards
Additional Features
- Precision control with variable speed trigger
- Belt clip for portability
- Fuel gauge shows battery charge level
- Carrying case included
Overview
With its high torque, all-metal chuck, and versatile 2-speed transmission, the Bosch GSB-550 delivers the power and performance required for the most demanding fastening applications. It’s a top choice for professional tradesmen who need a highly durable and reliable drill for repetitive heavy duty tasks day after day.
Main Differences Between Bosch GBM-350 and GSB-550
- Power – GSB-550 has higher torque with 550 in/lbs max torque vs 350 in/lbs for GBM-350
- Speed – GSB-550 has 2-speed transmission (0-400/0-1,300 RPM) vs single speed for GBM-350
- Batteries – GSB-550 uses 18V lithium-ion batteries, GBM-350 uses 12V lithium-ion
- Chuck – GSB-550 has a 1/2″ metal chuck, GBM-350 has a 1/2″ plastic chuck
- Torque settings – GSB-550 has 20+1 clutch settings, GBM-350 has 15 clutch settings
- LED light – GSB-550 has an LED light, GBM-350 does not
- Weight – GSB-550 weighs 5.3 lbs, GBM-350 weighs 3.5 lbs
- Warranty – GSB-550 has a 1 year warranty, GBM-350 has 2 year warranty
- Price – GSB-550 costs more as the higher-power professional model
- Applications – GSB-550 ideal for heavy duty tasks, GBM-350 better for basic DIY tasks
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