
FLEX FX204 2-inch
Score: 92/100
Bosch GSB18V-65N
Score: 92/100Rankings

The FLEX FX204-2B is a high-performance 24V brushless cordless drill kit that delivers professional-grade torque and speed in a compact form factor. Its key strength lies in the cross-compatible battery ecosystem and advanced features like turbo mode and anti-kickback safety. While it offers excellent power-to-size ratio, its higher weight compared to 12V tools and lack of direct competitor benchmarks are notable trade-offs. It is best suited for professional contractors and homeowners seeking durable, high-power tools.

The Bosch GSB18V-65N is a compact, bare-tool 18V brushless hammer drill/driver delivering 575 In.-Lbs. of torque for drilling, driving, and light masonry work. It features a 1/2 in. all-metal keyless chuck, dual LED work lights, and smart safety features like switchable KickBack Control. Best suited for professionals such as cabinet installers and carpenters needing versatile power in a compact form.
| Attribute | ![]() | ![]() |
|---|---|---|
24 Vbest | 18 V | |
1,400 in-lbsbest | 575 in-lbs | |
0.5 inbest | 0.5 inbest | |
5 Ahbest | — | |
| ↓ lower better | 8.001 kg | 1.134 kgbest |
2,500 RPMbest | 2,100 RPM | |
22 positionsbest | 20 positions | |
2 speedsbest | 2 speedsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(4) | ||
Voltage (V) | 24 V | 18 V |
Max Torque (in-lbs) | 1400 in-lbs | 575 in-lbs |
No-Load Speed (RPM) | 2500 RPM | 2100 RPM |
Clutch Settings (positions) | 22 positions | 20 positions |
Support & Extras(1) | ||
Warranty (years) | Lifetime years | 5 years |
Design & Ergonomics(2) | ||
Weight (kg) | 8.001 kg | 1.134 kg |
Overall Length (in) | 16.93 in | 6.89 in |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight FLEX's ability to pack 24V power into a compact form factor that rivals 12V tools. They praise the anti-kickback safety feature on the hammer drill and note the company's momentum with new product releases.
General positioning suggests that users value the compact profile and the cross-compatible battery ecosystem. The 5-year warranty on the hammer drill is seen as a sign of durability.

Professional reviewers and editors characterize the Bosch GSB18V-65N as a pro-grade tool that hits the sweet spot between power, size, and smart features. They praise its 575 In.-Lbs. torque, compact build for tight spots, and features like KickBack Control and the all-metal chuck as ideal for everyday jobsite use without gimmicks.
Search results lack direct consumer reviews or recurring complaints. Professional sources emphasize reliability for pros like carpenters and electricians, with no common user feedback on issues like battery life or durability noted.

