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BOSCH ROS20VSC Orbital Sander

BOSCH ROS20VSC Orbital Sander

By BOSCH · Orbital Sanders · Power Tools · More from BOSCH

  • 7,500-12,000 OPM variable speed
  • 2.5 AMP motor
  • 5" disc
  • 3.5 lbs
  • 9"x5"x6"

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Problems, parts and running costs

Summary

The ROS20VSC is a corded 5-inch random orbit sander and polisher with a 2.5 A motor, built for finish sanding and for buyers picking up their first random orbit sander.

Strengths

  • The six-position speed dial lets you dial down to a speed that avoids swirl marks on finish work.
  • At 3.5 lb with a soft-grip top, it is comfortable one-handed, and owners report low vibration.
  • Dust capture is effective for its class, and a vacuum hose adapter is in the box.
  • Bosch lists service parts for it, so it is a parts-channel tool rather than a sealed throwaway.
  • It has been a frequently recommended budget 5-inch random orbit sander for years.

Weaknesses

  • The 2.5 A motor and 3/32 in orbit are slow at heavy stock removal; this is a finishing sander, not a levelling sander.
  • There is no front handle, a recurring caution in owner reports.
  • Owners report the hook-and-loop backing pad separating from the foam, and Bosch’s own response to a review acknowledges a pad that “began separating”.
  • The manual directs all tool service to Bosch service stations, so repairs are not owner-serviceable.
  • The warranty is one year, short for a tool that may see daily use.

Verified specifications

ModelROS20VSC, Bosch part number 0601387514 (US); UPC 000346437522.
Power2.5 A, 120 V AC, corded, brushed motor.
Pad5 in hook-and-loop, takes 5 in round paper discs.
Speed7,500-12,000 OPM no-load, six-position dial (1 = low, 6 = high).
Orbit3/32 in (2.5 mm) diameter.
Weight3.5 lb.
Dimensions9 × 5 × 6 in (length × width × height).
Dust collectionmicrofilter canister plus VAC002 vacuum hose adapter for 1-1/4 in or 1-1/2 in hoses.
Cord8 ft.
Casesoft carrying bag.
In the boxsander, sanding disc, RS034 soft sanding pad, dampening ring, microfilter dust canister, VAC002 vacuum hose adapter, carrying bag.
Warrantyone year from date of purchase.
Country of originMalaysia.
Full research notes and sources

Speed, orbit and the pad

The six-position dial spans 7,500-12,000 OPM, and the low end is where this sander earns its keep: slower speeds plus the integral pad dampening brake are what limit swirl marks on finish work. The 3/32 in (2.5 mm) orbit leaves finer scratches than a 3/16 in orbit, but it also removes material more slowly, which is why the tool is positioned as a finishing sander rather than a levelling sander. The “polisher” in the model name reflects the variable-speed range and pad dampening, not a separate polishing kit. Bosch’s 35,000 figure describes the hook-and-loop disc attachment, not a performance metric.

Dust collection

The included microfilter canister traps particles Bosch says are as small as a half micron. Owners call the dust capture effective for this class of tool.

Repairs, parts and running costs

Bosch’s spare-parts catalogue lists service parts for the ROS20VSC — armature, bearing flange, brush holder, cable clip and carbon-brush set — so this is a parts-channel tool rather than a sealed throwaway. The manual still directs all tool service to a Bosch Factory Service Center or authorized service station, and the power cord must be serviced only by Bosch. Running costs are the usual consumables: sanding discs, replacement pads and dust canister filters. The warranty is one year from the date of purchase.

Is it worth it?

A 2019 tool roundup listed the ROS20VSC at about $69 (Tool Report, 2019). No US street price was verified for this review; the live store panel is where to check it. Tool roundups have repeatedly named it the value pick against DeWalt and Makita. For finish sanding and a first random orbit sander, it is a defensible budget choice with a parts channel and cheap consumables. If your work is heavy stock removal, the 2.5 A motor and small orbit will feel slow.

Which model this is

This page covers the Bosch ROS20VSC 5 In. Palm Random Orbit Sander/Polisher, part number 0601387514 (US), UPC 000346437522. The name breaks down as ROS for random orbit sander and VS for variable speed. Do not confuse it with the single-speed ROS10, the hard-case kit ROS20VSK, or the newer GET-series dual-mode sanders, which share the platform but differ in switch, case or motor. The Amazon listing for this sander is ASIN B00BD5G9VA.

Sources

Manufacturer:

Independent reviews:

Owner reports:

Parts and stores:

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