Bosch GEX12V-77N 3 inch
Score: 82/100
Bosch GEX12V-32N 4 inch
Score: 75/100Rankings
The Bosch GEX12V-77N is a compact, cordless random orbital sander featuring a 3-inch pad and 2.5 mm orbit, designed for high-performance spot sanding and precision work. It offers variable speed control and an ergonomic palm-grip design for fatigue-free use in automotive and woodworking tasks. However, its small pad size and limited battery runtime make it less suitable for large-scale sanding jobs.
The Bosch GEX12V-32N is a compact, cordless random orbital sander powered by a 12V brushless motor, designed specifically for precision spot sanding and detail work. It features a 32 mm sanding pad with a 5 mm orbit and variable speed control, making it ideal for automotive finishing and painted surface repairs. While it lacks a confirmed dust collection system, its compact size and tool-free pad swaps enhance usability for tight spaces.
| Attribute | | |
|---|---|---|
8,000 RPMbest | 8,000 RPMbest | |
12 Vbest | 12 Vbest | |
2.5 mm | 5 mmbest | |
3 inbest | 1.26 in | |
| ↓ lower better | 0.59 kg | 0.5 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Sanding Performance(2) | ||
Orbit Diameter (mm) | 2.5 mm | 5 mm |
Pad Diameter (in) | 3 in | 1.26 in |
Ergonomics & Features(3) | ||
Dust Collection | Vacuum | Unknown |
Tool Weight (kg) | 0.59 kg | 0.5 kg |
Switch Type | Lock-on | Trigger |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors praise the Bosch GEX 12V-77N for its exceptional power-to-size ratio and ergonomics, positioning it as a high-performance spot sander ideal for automotive finishing and precision woodwork.
Everyday users echo professional views regarding the tool's compactness, balance, and quick material removal capabilities. Common praise includes the lightweight nature and ease of one-handed use. However, recurring complaints focus on the short runtime, which often necessitates carrying extra batteries, and higher vibration levels attributed to the light weight.
Professional reviewers and editors praise the Bosch GEX12V-32N for its exceptional power-to-size ratio and ergonomic design, noting that the brushless motor provides strong performance without user fatigue. The tool is highlighted for its precision in detail sanding, with some noting the compact orbital motion allows for high-precision work.
Everyday users and consumers report high satisfaction with the tool's smooth operation, balance, and ability to access tight spaces. Common praise includes the low vibration feel and efficient runtime for small tasks. Recurring complaints focus on the short battery life when using lower capacity batteries, with users frequently recommending upgrades to larger capacity batteries for more demanding jobs.
“Great performance in a small footprint”
“Removed pencil marks in 2 minutes on one workbench half”
“Feels balanced with center of gravity at pad”
