
Makita BO4556K
Score: 75/100
Hychika Random Orbital Sander
Score: 85/100Rankings

The HYCHIKA OS300W is a powerful corded random orbital sander featuring a 3.8A motor and six variable speeds, making it a 'hidden gem' for budget-conscious users. It offers excellent dust collection and includes sandpaper, though some users note arm fatigue during long sessions. It is best suited for DIY hobbyists and light professional users needing affordable power for wood, metal, or plastic.

The Makita BO4556K is a lightweight 1/4 sheet finishing sander with a 2-amp motor and fixed 14,000 OPM speed, ideal for smooth finishes on flat surfaces. Its low weight and all-ball-bearing construction reduce fatigue and vibration, though the fixed speed limits its versatility for heavy material removal. It is best suited for finish carpenters and DIY users performing prep work or final smoothing.
| Attribute | ![]() | ![]() |
|---|---|---|
240 W | 450 Wbest | |
14,000 RPMbest | 13,000 RPM | |
— | 5 mmbest | |
114.3 mm | 127 mmbest | |
| ↓ lower better | 1.13 kgbest | — |
1 yearsbest | — | |
2 mbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(6) | ||
Power Source | Corded | Corded Electric |
Motor Power (W) | 240 W | 450 W |
No-Load Speed (RPM) | 14000 RPM | 13000 RPM |
Orbit Diameter (mm) | mm | 5 mm |
Variable Speed | false | true |
Sanding Pad Diameter (mm) | 114.3 mm | 127 mm |
Ergonomics & Design(4) | ||
Weight (kg) | 1.13 kg | kg |
Switch Type | Rubber-sealed | |
Handle Type | Palm Grip | Rubber Overmold |
Cord Length (m) | 2.0 m | m |
Features & Accessories(3) | ||
Dust Collection System | Through-the-Pad | Dust Bag |
Warranty (years) | 1 years | years |
Pad Attachment Type | Clamp | Hook-and-loop |


Makita positions the BO4556K as a best-in-class sander ideal for woodworkers and finish carpenters. Professional descriptions praise its 2-amp motor for delivering 14,000 OPM, its low weight of 2.5 lbs, and its reduced vibration and noise levels.
Search results lack direct user reviews or quotes, so no common praise or recurring complaints are detailed. However, it is inferred that users likely appreciate the lightweight build, comfort, and speed for everyday finishing tasks.




Professional reviewers characterize the HYCHIKA OS300W as a 'hidden gem' for budget-conscious users, praising its 3.8A motor for beating typical 3A sanders in power and torque.
Everyday consumers express high satisfaction with the product's value and performance on wood and metal, praising the strong sanding capability and comfortable grip.