Bosch 3727DEVS 3.3 Amp 6-Inch Hook and Loop Random Orbit Variable Speed Sander/Polisher with Dust Canister
- 3.3-amp random orbit sander/polisher with variable speed control and an integrated dust canister
- Operates at 4,500-12,000 rpm for a smooth, precise finish
- Rugged, die-cast aluminum gear housing with a dual-bearing mount pad; constant Response circuitry for overload protection
- Includes pad wrench, soft backing pad, sanding disc, microfilter dust
- 12-inches long; weighs 5.2-pounds; 1-year manufacturer’s warranty
Backed by a powerful 3.3-amp motor, the Bosch 3727DEVS Random-Orbit Variable-Speed Sander/Polisher makes quick work of sanding, stripping, and polishing jobs. Thanks to Bosch’s enhanced random-orbit sanding action, you can count on the 3727DEVS to deliver a clean, swirl-free finish every time. This multipurpose sander uses standard, six-inch hook and loop disks that are easy to change, and it includes a dust canister to protect your lungs and keep your workshop clean.
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 A microfilter dust canister keeps potentially harmful particles out of the air. View larger. |
 Bosch’s enhanced random-orbit sanding action and trademarked Constant Response Circuitry safeguard your work surface. View larger. |
Enhanced Random-Orbit Sanding Action for a Clean Finish
Whether you’re stripping old furniture or prepping new molding for installation, the 3727DEVS delivers aggressive stock removal and a clean, swirl-free finish. Free rotation and a 5/32-inch eccentric orbit diameter (5/64-inch offset) allow the sander’s pad to duplicate a natural, hand-sanding action and ensuring that abrasive material never follows the same path twice. This enhanced random-orbit action combines with Bosch’s unique integral pad dampening system to keep your workpieces free of swirl marks.
Versatile, Powerful 3.3-Amp Motor for Fast, Smooth Results
The 3727DEVS’s 3.3-amp motor provides the power you need to remove stock quickly and efficiently, making fast work of difficult jobs. Bosch’s trademarked Constant Response Circuitry maintains constant motor speed no matter how tough the job, providing overload protection and delivering a reduced-torque soft start that safeguards your work surface.
A variable-speed dial lets you adjust from 4,500 to 12,000 OPM for job-specific performance. The 3727DEVS’s microcellular backing pad contours for a smooth, fine finish on all types of surfaces.
Since the 3727DEVS uses industry-standard six-hole, six-inch hook and loop disks, you never have to waste time searching for expensive, proprietary abrasive disks, and you never have to deal with messy adhesives.
Ergonomic, Long-Life Design for Extended Use
With a tapered, soft-grip top and ergonomic front and rear handles, the 3727DEVS offers multiple grip positions to help prevent user fatigue. The front handle can be removed easily for sanding in tight spots, and the conveniently placed trigger features a lock-on button for comfort and control during extended periods of use.
The 3727DEVS also features rugged, die-cast aluminum gear housing and an exclusive dual-bearing pad mount that eliminates wobble and vibration, extending the life of your tool and improving your comfort.
Dust Canister for Safety and Convenience
The included Bosch microfilter dust canister with integrated paper filter provides an optimal system for filtering fine dust. The canister traps particles as small as a 1/2 micron in diameter, and it reduces your exposure to potentially harmful particles by collecting more dust than other leading brands.
The compact Bosch 3727DEVS weighs just 5.2 pounds. It is backed by a one-year warranty, 30-day money-back guarantee, and one-year service protection plan.
What’s in the Box
Bosch 3727DEVS Random-Orbit Variable-Speed Sander/Polisher, microfilter dust canister (RS026), soft backing pad (RS6045), removable front handle, 5-millimeter hex pad wrench, and sanding disk.
Sanders 3.3 3727DEVS 6Inch Amp and Bosch Canister dust Hook Loop Orbit Random Sander/Polisher Speed Variable with
5 Reviews
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I’ve had this tool for several years and it really works well in comparison to my other 5″ orbital sanders. It is more aggressive, vibrates about the same as the others and the extra surface area of the pad really saves time. I tend to use this sander when I need to aggressively remove material or have larger work pieces. But be warned, this sander can leave pretty hideous swirl marks if you’re not careful – more so than a 5″ orbital.
My gripe with this tool is the way the electrical connections are made inside the tool. After a fair amount of use, one of the crimped power connections to the field winding loosened and eventually broke loose, causing intermittent operation of the tool. After years of living with this and doing band-aid fixes, I was recently able to pull the field winding and make solder connections directly to the ends of the coil. It would seem that if they were originally connected this way it likely never would have failed.
The dust collection is good when combined with the Bosch vac adapter (purchased separately) and a shop vac – but the adapter has very flimsy tabs that will break when put to hard use or stepped on. My adapter is presently secured with electrical tape. Bosch really should have designed a round vac adapter into this tool.
Other than these issues, for the money it has been a good investment.
I’ve had this sander for about a year. I purchased this based on the many glowing reviews. In general, this is a high quality unit. My spin break went out on me, so now my orbital is pretending to be an angle grinder. I’m hoping that they get this unit back to me soon as I need a 6 inch for work around the house.
I think the reviews stating that it sands smoothly as well as the dust collection are very good. Highly recommend the thin vacuum hose if this is purchased. Regardless, if the sander is simply not working, it’s not much use.
I build one-of-a-kind furniture. This is my first random orbital sander.
When I sand a panel that has board grains perpendicular to each other, then I don’t have to sand “with the grain”. When I sand adjoining perpenducular grains then they both look great.
I love this sander !
I purchased a Bosch 3727 for work on a pole barn that I am building, and for my cabinet work. I have found it to be a great tool with all the power and sanding ability that i need.
Phil Romans
I bought it mainly to sand down the inner skin of a cored floor deck in my fiberglass boat. Because I am sanding fiberglass, I am afraid that fiberglass particles may get onto my skin and make me feeling itchy. Therefore, I am trying this sander to see if its dust collection function can do the job in catching most of the dusts. I am not disappointed. After using it for half a day, I only see very few dust in the air (probably coming from two instances when I pulled the extension hose too hard and the hose came off from the sander). And the exposed area of my skin didn’t feel itchy either (the rest was covered with protective suit). I rate its dust collection function as very good.
As for its sanding capability, it sands quite fast. This is really not a surprise to me, and is totally expected. The reason is that I uses 60-grit sand paper, and its large 6″ diameter sanding surface also helped.
I am very satisfied with this sander. I previously bought a Porter Cable 6″ random orbital sander that I intended to use it to sand the deck of the boat. Honestly, I have never used it to do any sanding. Now, I use the Porter Cable sander strictly as a polisher for polishing and waxing my car, and it does a very good job. Now, this Bosch sander does all the heavy duty sander. I love both.
Of course, for removing a lot of material in a hurry (like creating a tapered edge along a fiberglass skin), I think using an angle-grinder is MUCH faster than any sander. The problem is that angle-grinder can kick up a ton of dusts (and itchy fiberglass particles), and I cannot find a way to collect the dust effectively. From now on, I will give this Bosch 6″ sander a try before taking out the angle-grinder.
Thanks for listening.