Makita 9403 Belt Sander 4x24 Inch
- 4 x 24 inch belt, 80 grit belt included
- 11 amps at 120 volts, corded
- 27.33 feet per second belt speed as listed
- Dust bag included
- 13 pounds, 1 year limited warranty
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A corded Makita belt sander that comes with a medium grit belt and a dust bag. Belt size is fixed by the listing, so replacements need to match it.
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ASIN: B0000223IYModel: 9403Category: Sanders
Overview
A woodworker or remodeler gets a corded belt sander here, with a rectangular belt running over the work to remove stock quickly. The kit includes one abrasive belt and a dust bag to catch the sanding dust.
Strong amperage for its class and a supplied belt and bag mean it can start work out of the box. The listing is thin on handle details and sanding pad specifics, so comfort and control are not documented.
Who it's for
Flat surfaces that need fast material removal, such as a rough tabletop or a door edge, suit a belt sander of this size. Detail sanding and tight corners are better served by a smaller tool.
Pros and cons
- Medium grit belt included
- Dust bag included
- Corded power, no battery needed
- Rectangular belt for flat work
- Heavy for overhead or one-hand use
- Handle and pad details not listed
- No variable speed listed
Performance notes
Stock removal depends on belt grit, belt speed and how evenly the weight is carried across the surface. The listed amperage is what drives the belt under load, and the dust bag catches debris before it reaches the air. Pad and tracking adjustments are not described in the listing.
Specifications
| Brand | MAKITA |
|---|---|
| Model | 9403 |
| Dimensions & fit | |
| Item Dimensions L X W X H | 6.5 x 13.88 x 8.75 inches |
| Item weight | 13 pounds |
| Capacity & performance | |
| Maximum Rotational Speed | 27.33 feet per second |
| Amperage Capacity | 11 ampshigher than 95% of 106 sanders |
| Power & efficiency | |
| Power Source | Corded electric |
| Voltage | 120 volts |
| Included components | |
| Included Components | 4 x 24 inch abrasive belt, 80 grit; dust bag |
| Unit Count | 1.0 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 1 year limited |
| Other details | |
| Shape | Rectangular |
| Grit Number | 80 |
| Grit Type | Medium |
| Item Type Name | 4 x 24 inch belt sander |
Closest rivals on specs
Metabo HPT SB8V2 Variable Speed Belt Sander 3x21 Inch- Amperage Capacity 11 vs 9 amps (+22%)
Popcorn Ceiling Drywall Sander with Vacuum 1000W- Amperage Capacity 11 vs 9 amps (+22%)
Genesis GBS321A Variable Speed Belt Sander 3x21 Inch- Amperage Capacity 11 vs 8 amps (+38%)
Frequently asked questions
How do I install a belt on the Makita 9403?
The listing gives no installation steps. It states the belt size as 4 x 24 inches and includes one 80 grit belt, so replacements must match that size.
What grit comes with the Makita 9403?
An 80 grit belt, described as medium, is included.
Is the Makita 9403 corded?
Yes. The power source is listed as corded electric at 120 volts and 11 amps.
Does the Makita 9403 include a dust bag?
Yes, a dust bag is listed among the included components.