Makita 5 in. Random Orbit Sander, Variable Speed (BO5041, corded)
By Makita · Orbital Sanders · Power Tools
- Makita-built 3 AMP motor with sealed ball bearings
- Variable speed dial: 4,000-12,000 OPM
- Pad brake for fast stops
- Net weight 3.1 lbs
Lowest price seen
~$129.00 (approx.)
from $129.00 at Amazon
- Amazon ~$129.00 (approx.)View at Amazon
- MakitaView at Makita
- eBay (used) eBay: used, open-box, refurbishedView at eBay (used)
- eBayView at eBay
- ToolNutView at ToolNut
- Acme ToolsView at Acme Tools
Prices are snapshots. Check the current price with the store.
Summary
A corded 5-inch variable-speed random orbit sander for finish and general sanding, built around a 3 AMP motor and standard 5-inch 8-hole hook-and-loop discs. Check whether you want the bare tool or the BO5041K kit, which adds a case, and plan on a shop vac because the onboard dust bag is small.
Strengths
- The variable-speed dial covers 4,000-12,000 OPM so you can match speed to the material.
- The 3 AMP motor uses oversized sealed ball bearings, which Makita claims gives longer tool life.
- It takes standard 5-inch 8-hole hook-and-loop discs, the most common and cheapest ROS consumable.
- A two-finger trigger with lock-on and an adjustable front handle suit long sessions and corner work.
- Through-the-pad dust collection includes a built-in vacuum port adapter for a shop vac.
- Makita publishes a parts breakdown and manual and stocks replacement dust parts.
Weaknesses
- The onboard dust bag is small, so real dust control means adding a shop vac through the vacuum port.
- The pad measures 4-7/8 in even though the tool takes 5-inch discs.
- Abrasive paper is not included, so budget for discs.
- It is a single-handed palm sander; heavy stock removal depends on using the front handle and good technique.
- No instrumented lab test of this exact model has been published, so removal rate and vibration under load are unverified.
- Wattage is not on the US spec sheet, only 3 amps.
Verified specifications
| Pad size | 4-7/8 in round. |
|---|---|
| Abrasive disc size | 5 in, 8-hole hook-and-loop. |
| Speed | 4,000-12,000 OPM, variable. |
| Orbit diameter | 1/8 in. |
| Motor | 3 AMP, with oversized sealed ball bearings. |
| Vibration | 3.5 m/s². |
| Dimensions | 10-7/8 × 4-7/8 × 6 in (L × W × H). |
| Weight | 3.1 lb net, 4.1 lb shipping. |
| Power | corded, 120 V AC, double insulated. |
| UPC | 088381-607315. |
| In the box | dust bag (part 166078-4) and dust bag nozzle (part 416063-0); abrasive paper is sold separately. |
Full research notes and sources
Which model this is
This page covers the corded 5-inch variable-speed BO5041, a Makita-built 3 AMP tool sold as the bare BO5041 (dust bag and nozzle only) or as the BO5041K kit, which adds a hard case. The K refers to the kit, not a different motor. The Amazon listing for this model is ASIN B0076I69H2. Don’t confuse it with the fixed-speed BO5030, the 1/4-sheet BO4556, the 6-inch BO6050, or the cordless DBO180.
Dust collection and consumables
The tool takes 5-inch 8-hole hook-and-loop discs, the most widely stocked format, so refills are easy to find and cheap. Dust collects through the pad into a low-capacity onboard bag; for serious dust control the intended path is the built-in vacuum port adapter and a shop vac. Keep the through-the-pad dust path clear, since clogging reduces both dust capture and finish quality, and replace the backing pad and discs as they wear to maintain cut.
Repairs, parts and warranty
Makita covers this tool with a 1-year warranty plus its 30-day satisfaction policy. Repairability is strong for the class: Makita publishes an exact-model parts breakdown and instruction manual and runs service channels, and the exact dust bag (166078-4) and nozzle (416063-0) are catalogued. Beyond basic pad and dust parts, the internals are not meant for owner service.
Is it worth it?
The case for this sander is structural: a variable-speed dial, a sealed-bearing 3 AMP motor, a pad brake, an adjustable front handle and a standard 5-inch consumable format, backed by a brand that documents parts and service. That combination is what separates it from fixed-speed, no-name 5-inch tools. Skip it if you need cordless freedom, aggressive stock removal from a larger 6-inch machine, or premium dust capture without a vacuum.
Sources
Manufacturer:
- Makita USA — BO5041 5 in. Random Orbit Sander, Variable Speed
- Makita USA live product page — BO5041
- Makita BO5041K instruction manual
Independent reviews:
Owner reports:
- No exact-model owner discussion thread was retrieved during research.

