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Internet # 321572412

Model # G8749

Store SKU # 1009695349

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Product Details

About This Product

G8749 Drum / Flap Sander A great addition to any shop needing to shape and finish contours. The G8749 Drum / Flap Sander is generally used for edge contour sanding using the sanding drum or for round or spherical sanding using the flap sander. On one side, choose between the included 3-1/4 in. Dia or 4-3/4 in. Dia inflatable sanding drums. On the other is a 10-1/2 in. Dia x 7-3/4 in. L flap sander with twelve abrasive flaps backed up by flexible bristle brushes. Order replacement flap sandpaper in 6 in. W rolls in the grit of your choice. Like all Grizzly sanders, the G8749 comes with a 1-year warranty which covers parts and assures the unit is free from factory defects. SPECIFICATIONS: Motor 1 HP, 110-Volt, single-phase, 10 Amp Arbor: 22 mm Inflatable drum sizes: 3-1/4 in. x 7-7/8 in., 4-3/4 in. x 7-7/8 in. Footprint: 6-1/2 in. x 9 in.


  • Toggle on/off safety switch with locking tab
  • Flap sander supplied with 120 grit paper
  • Approximate shipping weight: 69 lbs.
  • Overall dimensions: 30 in. W x 7-1/2 in. D x 10-1/2 in. H
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Product Information

Internet # 321572412

Model # G8749

Store SKU # 1009695349


Dimensions: H 18.5 in, W 18.5 in, D 16.5 in


Belt length (in.)

30 in

Belt width (in.)

0 in

Maximum feed height (in.)


Minimum feed height (in.)


Product Depth (in.)

16.5 in

Product Height (in.)

18.5 in

Product Width (in.)

18.5 in

Work Table Length (in.)

16.75 in

Work Table Width (in.)

16.25 in


Amperage (A)

15 A

Battery Voltage (V)


Bench & Stationary Tool Type

Drum Sander

Color Family




Cord Length (ft.)

5 ft

Dust collection type


Maximum feed rate (ft./min.)


Maximum Speed (RPM)

1575 RPM



Power Tool Features

No Additional Features

Product Weight (lb.)

27 lb





Tools Product Type

Power Tool

Variable Speed


Warranty / Certifications

Certifications and Listings

No Certifications or Listings

Manufacturer Warranty


Questions & Answers

Q:What stand is available as a stand for a G8749?
by|Feb 25, 2024
1 Answer
Answer This Question

A:  We appreciate your question. The G7120 Heavy Duty Stand is designed for mounting the G8749 Drum/Flap Sander.

by|Feb 26, 2024
    Q:can I buy a mountable stand for this sander?
    by|Feb 16, 2024
    1 Answer
    Answer This Question

    A:  We appreciate your question. The G7120 Heavy Duty Stand is designed for mounting the G8749 Drum/Flap Sander.

    by|Feb 20, 2024
      Q:Can you mount the inflatable drum sander on the LEFT side?
      by|Feb 16, 2024
      1 Answer
      Answer This Question

      A:  Thank you for getting in touch with us. You can utilize either the flap sander located on the left side or the 3-1/4" diameter inflatable sanding drum. On the right side, there is also the option of the 4-3/4" diameter inflatable sanding drum.

      by|Feb 20, 2024
        Q:I understand It includes inflatable sanding drum, my question is Can you put an air bladder sander on the flap sanding side?
        by|Dec 18, 2023
        1 Answer
        Answer This Question

        A:  thank you for reaching out to us. Yes, you can utilize the air bladder on the left side, provided it is equipped with a sanding sleeve. However, it is not intended for standalone use as a buffer.

        by|Dec 18, 2023
          Showing 1-4 of 12

          Customer Reviews

          4.7 out of 5

          • 4.7 out of 18 reviews
          • 0% recommend this product
          Filter by:
          Showing 1-10 of 18 reviews
          Drum sander
          The first thing was some of the sandpaper came flying off. The sanding drum on the left side is out of balance. The shaft needs to be longer. The design allows too much play to center the drum. If I could I would send it back for a refund. Poor design on the flap sander. Installing the paper is a nightmare
            Almost impossible to replace sandpaper
            Have had the flap sander for several months so I can see how other reviews will say it's a great product - it is. That is, until you need to replace the paper on the flap side. The design is unnecessarily difficult and will take you about an hour the first time. This is a non-starter if you're using this for any form of "for profit" business. You will spend way too much time trying to hold 12 brushes in perfect alignment to reinstall the end cap. Grizzly management needs to try replacing the flap drum sandpaper before keeping this one in the catalog. Seriously, I challenge Grizzly to make a video of someone replacing the paper. Guaranteed to go viral as the swearing starts and parts get thrown across the room.
              Love it
              I bought this for sanding decoy carvings that have contour shapes and it is a game changer .
                Works perfect for what I'm doing
                I am sanding small pieces of a project that need to be smoothly rounded off in all dimensions, this flap sander does a perfect job. I'm so satisfied with it I have made some picture frames that are wavy on the outside and I just round off all the edges, really shows off the grain.
                  Being an artist and designer I end up doing some unusual things. In a previous life I designed and built sets and props for TV commercials and Film. I began making rocks out of wood for friends to stack as cairns. I would cut the rough shape on a bandsaw and sand each rock by hand. The G8749 has made my life so much easier, not to mention how much time it's saves me! Thank you! I am very impressed with your company. Thanks for sending your catalog of offerings.
                    Deeply pleased
                    I bought this sander a month ago. Sadly, I had to do so after having carelessly knocked over and irreparably damaged an identical one that I had purchased from you 6 years ago. The machine is sturdy and reliable! The clumsy awkwardness and damage to it was totally my own doing. I ordered an identical replacement the very next day. I mention all this simply to convey my high regard and recommendation for both this product, and for your service. Lorne M. Ruby, MD
                      Worst design in the Grizzly product lineup
                      The more I use this machine the more disappointed I become... I am a huge fan of Grizzly products but this one is an uncharacteristically poor design. To tighten the end bolts one cannot tighten them against each other as one is reverse threaded (for safety reasons). This would be fine except there is not a place to "grab" the rod - Grizzly's tech support told us "use a pipe wrench" which is an almost comical answer but even our smallest pipe wrench won't fit on the tiny exposed portion of the shaft (which I'd prefer not to tear up with a pipe wrench anyway.) So, we used channel locks which barely fit. And, more importantly, the "brush" system is atrocious. I'm either going to be forced to design a complete replacement for this setup or throw the machine away and buy a different brand. If Grizzly's management tried to change the sandpaper on the flap side of this sander ONE time they would take this product off the market. It is truly THAT bad of an experience.
                        This tool is perfect for intarsia work and other applications for irregular shaped sanding.
                        The dual inflatable cylinders are perfect. To be honest I did not like the sanding flap but I was not planning on using it anyway.
                          I love it!! It has cut sanding time way down
                          I've had mine for a month - absolutely love it - I do need to order new flaps for it already though because it's gone thru quite the work out already!
                            time saver
                            we do a lot of work with live edge and round wood. This thing turns a 15 min job into a 3 min one
                              Showing 1-10 of 18 reviews