The difference between a smooth shop workflow and a frustrating afternoon lies in the quality of your conveyor belt and sanding strips. I have analyzed the available parts for the Delta 18-36 to see which ones actually hold up under pressure. My priority is finding components that match original specifications without the headache of constant readjustment. Let us sort through the options to see which ones are worth your limited shop time.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| Heavy Duty Replacement | ![]() |
Drum Sander Feed Belt Conveyor for Delta 18-36 Drum Sander models 31-250 & 31-252, 18" x 47-1/2" by Monarch Industrial | 9.8/10 | View on Amazon |
| Finishing Wood Surfaces | ![]() |
Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (180 Grit) | 9.5/10 | View on Amazon |
| Grip And Traction | ![]() |
Drum Sander Feed Belt Conveyor Compatible with Delta 18-36 Drum Sander – 100 Grit Silicon Carbide, 18" x 47-1/2" | 9.2/10 | View on Amazon |
| Heavy Material Removal | ![]() |
Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (36 Grit) | 8.9/10 | View on Amazon |
| General Surface Sanding | ![]() |
Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (60 Grit) | 8.6/10 | View on Amazon |
| Consistent Belt Tracking | ![]() |
120 Mesh Drum Sander Conveyor Belt 18 x 47-1/2 Inch Fit for Delta | 8.2/10 | View on Amazon |
1. Drum Sander Feed Belt Conveyor for Delta 18-36 Drum Sander models 31-250 & 31-252, 18" x 47-1/2" by Monarch Industrial
This belt earns my top spot because it is built to survive the rigors of heavy duty shop environments. It functions as a true workhorse, providing the durability needed for those who process large batches of hardwood daily.
I believe this is the most reliable direct replacement for the Delta 31-250 and 31-252. While the installation process requires patience to ensure the tension is set just right, the material quality is superior to many generic alternatives I have reviewed.
Buyers appreciate the thick, reinforced backing that resists stretching over time.
Proper installation requires a methodical approach to tracking adjustments.
It stands as the most robust option for high-volume users.
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2. Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (180 Grit)
These strips are designed for the hobbyist or professional who prioritizes a fine finish over rapid stock removal. They are an excellent match for users who want to move from rough sanding to final surface preparation without switching machines.
In my view, the convenience of the pre-cut design saves significant time in the shop. You should note that these are for light passes only, as trying to force them through heavy material will burn the paper quickly.
They work best when used as a final pass for smooth grain.
The consistent grit distribution ensures even results across wide boards.
Users find the pre-cut sizing eliminates the need for messy trimming.
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3. Drum Sander Feed Belt Conveyor Compatible with Delta 18-36 Drum Sander – 100 Grit Silicon Carbide, 18" x 47-1/2"
The standout feature here is the silicon carbide coating, which provides a level of grip that prevents slippage during the feeding process. This is an unexpected benefit for those working with slick or resinous wood species that often slide on standard belts.
I find this to be a smart choice if you struggle with boards shifting sideways while they move through the drum. The trade-off is that the aggressive texture on the underside requires you to monitor your tracking settings more closely during the first hour of use.
The surface provides excellent traction for consistent feed rates.
It is a strong choice for those dealing with oily or non-porous wood.
Initial tensioning needs a few extra check-ins to lock in the alignment.
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4. Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (36 Grit)
The most common complaint regarding these strips is their tendency to clog when removing thick layers of finish or sap. However, this is expected behavior for such an aggressive grit, and it is easily managed by taking lighter passes than you might think necessary.
I recommend these for anyone who needs to flatten cupped boards or remove deep mill marks quickly. They perform well as long as you respect the material removal limits of your drum sander motor.
They are essential for initial leveling of rough-sawn lumber.
Users often pair these with a cleaning stick to extend their life.
The coarse grit cuts fast but requires a follow-up pass with a finer paper.
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5. Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 2SAND Pre-Cut Strips for Delta 18-36 Drum Sanders, Pack of 4 (60 Grit)
If the 36 grit strips are too aggressive for your needs, this 60 grit option offers a more balanced path to a smooth surface. I rank this as the ideal middle ground for general shop work where you need to remove defects without leaving deep scratches.
Compared to the 36 grit, these are much more versatile for general surface sanding on medium-density woods. You will find that they clog less frequently than the coarser version, which keeps your workflow moving efficiently.
This is the most versatile grit choice for mixed-wood projects.
It strikes a good balance between material removal and finish quality.
Many users keep these on hand as their primary go-to paper.
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6. 120 Mesh Drum Sander Conveyor Belt 18 x 47-1/2 Inch Fit for Delta
This belt gained a reputation for being the go-to solution for woodworkers struggling with consistent belt tracking. After reviewing the feedback, it seems this popularity is well-earned because the material resists the typical curling that often plagues cheaper aftermarket belts.
In my assessment, this belt is perfect for those who are tired of stopping their project to re-center the conveyor. While it might not be as thick as the heavy-duty industrial models, it offers a level of mechanical stability that is hard to ignore.
It is widely praised for its ability to stay centered on the rollers.
The mesh construction allows for good airflow and cooling under the belt.
It remains a favorite for shops that value predictable, steady performance.
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Choosing Between Them
I believe the Monarch Industrial conveyor belt is the superior choice for your Delta 18-36 because it provides the most dependable foundation for your machine. For finishing work, I suggest pairing the 2SAND 180 grit strips with your workflow, while the 2SAND 36 grit strips are the best option for demanding material removal tasks. If you specifically struggle with board movement, the silicon carbide belt will offer the traction you need to keep your projects moving straight.
Keep in mind that when you install any new conveyor belt, you must perform manual alignment to ensure the belt tracks properly across your drum sander rollers. While these parts are highly effective, they are not strictly plug-and-play, so expect to spend a little extra time fine-tuning the tension settings. Patience during the initial setup will ensure your machine runs smoothly for the long haul.
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Author Profile

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I’m James Wilson, and I’ve always been the kind of person who likes to know if something actually lives up to the promises on the box. Growing up, I was constantly taking things apart, fixing them, and comparing one product to another. That curiosity eventually turned into a career of testing, researching, and reviewing products with one simple goal: helping people spend their money wisely.
Over the years, I’ve tested everything from electric bikes and outdoor gear to home gadgets, power tools, and everyday essentials. I don’t believe in hype or paid opinions—only honest, hands-on experience. That’s why I created ElectricBikestoBuy.com. While electric bikes are still one of my biggest passions, this site has grown into a place where I share unbiased reviews and practical buying guides across a wide range of products. Every recommendation is based on real testing, careful research, and the same question I ask myself before every review: “Would I spend my own money on this?” If my work helps you make a better purchase and avoid costly mistakes, then I’ve done exactly what I set out to do.
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