Verdict
Head-to-head · Best Random Orbital Sanders

Bosch ROS20VSC vs Skil 5-Inch Random Orbital Sander

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

Verdict is reader-supported. As an Amazon Associate we earn from qualifying purchases. Some links on this page are affiliate links — if you click through and buy, we may earn a small commission at no extra cost to you. Our ratings are sourced from independent publications, not sponsors.
The short answer

Bosch ROS20VSC comes out ahead by a clear margin (4.5 vs 2.8). Bosch ROS20VSC is best for: DIYers who need variable speed control for delicate finishing tasks. Read the strengths below before deciding.

Bosch ROS20VSC
Higher ratedRanked #3 in Best Random Orbital Sanders
Bosch ROS20VSC
1 sourceall derived$99as of Oct 20

The Bosch ROS20VSC features a microfilter canister that effectively traps fine particles to keep shop air cleaner than standard bag-style systems, though Smartwoodworkshop noted the small capacity fills quickly during heavy sanding sessions. Its integral pad dampening system significantly reduces swirl marks for a smooth finish on wood surfaces, while Bestorbitalsander confirmed the efficiency of this vibration-absorbing design. The lightweight 3.5 lb body makes the sander nimble and easy to maneuver in tight spaces or overhead, but Powertools.techreviewer.com warned that the rubber grip runs warm during very long continuous sanding sessions. Additionally, Smartwoodworkshop found that the 2.5 amp motor can bog down when sanding dense hardwoods like oak or maple, limiting its suitability for professional shops processing large volumes of hard timber.

Strengths
  • — Microfilter dust canister efficiently traps fine particles and keeps shop air cleaner than standard bag-style systems.
  • — Integral pad dampening system significantly reduces swirl marks for a smooth, clean finish on wood surfaces.
  • — Lightweight 3.5 lb body makes the sander nimble and easy to maneuver in tight spaces or overhead.
Watch-outs
  • — The 2.5 amp motor can bog down or slow significantly when sanding dense hardwoods like oak or maple.
  • — The microfilter canister has a small capacity that fills quickly during large projects, requiring frequent emptying.
  • — Rubber grip handle runs warm and becomes uncomfortable during very long continuous sanding sessions.
Skil 5-Inch Random Orbital Sander
Ranked #4 in Best Random Orbital Sanders
Skil 5-Inch Random Orbital Sander
1 source$37as of Oct 20

The Skil 5-Inch Random Orbital Sander features a 2.8-amp motor that delivers sufficient power for furniture and cabinet sanding, though it lacks variable speed control. Pro Tool Reviews found the integrated pressure sensor functions as an extended motor wear indicator rather than providing real-time feedback on downward force. The tool includes an ergonomic rubber overmold grip and a clear dust canister with microfiltration that captures fine particles effectively. However, the microfiltration filter is permanently attached to the canister, meaning the entire assembly must be purchased if it degrades. This model fits DIYers who value comfortable handling in tight spaces, while professional finishers requiring immediate pressure feedback or vacuum integration should look elsewhere.

Strengths
  • — 2.8-amp motor delivers sufficient power for furniture and cabinet sanding projects
  • — Ergonomic rubber overmold grip provides comfortable handling in tight spaces
  • — Integrated microfiltration dust collector captures fine particles effectively
Watch-outs
  • — Pressure sensor functions as an extended motor wear indicator rather than real-time feedback
  • — Microfiltration filter is permanently attached to the canister and cannot be replaced separately

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Skil 5-Inch Random Orbital Sander

Its 2.8-amp motor provides sufficient power for furniture sanding, offering more raw output than the Bosch’s 2.5 amp unit.

Specs side-by-side

SpecBosch ROS20VSCSkil 5-Inch Random Orbital Sander
Max Speed12,000 OPM—
Pad Size5 inches5 inches
Weight3.5 lb3.44 lb
Motor Type2.5 Amp Motor—
Power SourceMainsCorded
Dimensions9"L x 5"W x 6"H7.87"L x 4.8"W x 5.51"H
Voltage120 volts120 volts
← See the full ranking of best random orbital sanders