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The DEWALT DWS780 12-inch double bevel sliding compound miter saw delivers precise cuts with an integrated XPS LED cutline system, a powerful 15-amp motor, and tall sliding fences for crown molding.
Categories : tools
SKU : WOR-TOO-182
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The DEWALT 12-Inch Double Bevel Sliding Compound Miter Saw with XPS LED Light System (DWS780) is a professional-grade miter saw built for accuracy and capacity. Its 15-amp, 3800 RPM motor handles heavy-duty framing, trim, and finish work, while the XPS LED shadow line system projects a precise cutline without adjustment. This saw is ideal for cabinet makers, trim carpenters, framers, and installers who need to make accurate cuts in various angles.
The XPS system uses a LED light and a shadow to show the exact cut location. If the light isn't working, first check the batteries (two AA) and replace them if needed. Clean the lens with a soft cloth to remove sawdust, and verify the switch is in the ON position. If it still doesn't work, inspect the wiring for damage. For alignment, use the adjustment screws on the light housing to fine-tune the shadow line to the blade.
To square the fence, loosen the two bolts behind the fence, place an engineer's square against the blade and fence, adjust until flush, and retighten. Check that the blade is parallel to the slots in the table and the fence is perpendicular to the saw base.
If your cuts are not accurate, the detent plate may need adjusting. Loosen the detent plate screws, rotate the table to 0°, and use a square to confirm the blade is square to the fence. Tighten the screws. Also check the bevel and miter scales for accuracy.
Check for blade wobble, ensure the arbor is clean, and verify the work piece is secure. Also inspect the slide rails for play and lubricate them. Regular calibration will keep your DWS780 cutting true.
Take advantage of our WORKBENCH10 coupon for 10% off eligible items.
XPS LED shadow line provides a clearly visible cutline without requiring adjustment.
15-amp, 3800 RPM motor delivers sustained power for demanding cuts.
Double bevel capability and tall sliding fences simplify crown molding and wide baseboards.
Super-efficient dust collection captures over 75% of dust generated.
Stainless steel miter detent plate with 10 positive stops ensures precise angle selection.
Model: DWS780
Weight: 77.0 lb / 34.9 kg
Includes: Blade wrench, material clamp, dust bag
Dimensions: 27.0 x 20.0 x 18.0 in / 68.6 x 50.8 x 45.7 cm
Miter Range: 60° right, 50° left
Motor Power: 15 amp, 3800 RPM
Product Type: Sliding Compound Miter Saw
Bevel Capacity: Dual bevel, 0°-49° left and right
Blade Diameter: 12 inches
Dust Collection: Over 75%
Cutting Capacity: 2x14 lumber at 90°, 2x10 at 45°; crown molding up to 7-1/2" nested
Seller: Workbench World
MPN: DWS780
The XPS LED system puts a distinct shadow on your work surface, showing exactly where the blade will cut. No laser warm-up, no calibration dials—just turn it on and cut.
From framing to finish carpentry, the DWS780 handles it all. The 12-inch blade delivers deep cuts, while the double bevel adjustment and tall fences simplify compound miters and crown molding.
The efficient dust collection system captures over 75% of the fine dust, keeping your work area cleaner and improving visibility. Reusable dust bag included, or hook up a shop vac for even better pickup.
Periodic checks of the blade, fence, and detent plate keep your saw dialed in. Use a small level and square to verify the settings, and adjust the XPS light if you notice the shadow shifting.
Start by replacing the two AA batteries that power the XPS system. Clean the lens with a soft cloth. If the light still doesn't activate, check the switch and internal wiring. For alignment, adjust the set screws on the light housing to center the shadow on the blade.
Loosen the two bolts behind the fence, place a precision square against the blade (use a flat gauge to avoid teeth) and the fence, adjust until flush, then retighten the bolts. Verify with a test cut.
Rotate the table to the 0° stop, loosen the detent plate screws, use a square to align the blade to the fence, and re-tighten the screws. This ensures the positive stops match the scale.
Check the blade for bent teeth or wobble, ensure the arbor screw is secure, and confirm the fence is square. Excessive play in the slide mechanism or loose adjustment locks can also cause inaccuracy. Lubricate the rails and tighten all pivot points.
Yes, the tall sliding fence supports 7-1/2-inch nested crown molding and 6-3/4-inch base molding vertically against the fence, and it slides out of the way for bevel cuts.
This saw is a beast.
I bought this for a home renovation. The XPS light is spot-on, and the sliding fence made crown molding easy. Took a bit to set up, but now it's my go-to.
Let me break it down. The laser isn't a laser, it's a shadow line but works well. Forward bevel is great. You need a dedicated stand because it's hefty. The dust collection is decent. I've cut walnut and oak without issue. Just be prepared to make room in your truck. Overall, worth the money if you do serious trim work.
Cut to the line every time. Love it.
I used this to build a deck. The miter saw made joints tight. It's heavy but the wheels on my stand help. Definitely recommend.
The XPS light is awesome. It's not a laser, but the shadow is clearer. The saw is smooth. I just wish it came with a blade guard that was easier to see through. Also, the handle is a little far for my taste. But it does the job flawlessly.
I've had other Dewalts and this one is nice, but for the price I expected the laser to be actually a laser. The shadow line is fine in good light, but hard to see in dim shop. Also, the bevel stops are not as positive as my old one. Still a good saw, just not amazing.
If you cut crown, this saw is worth it. The tall fences hold your work. The double bevel saves time. I've used this for years on jobsites. It's not cheap but it's reliable.
It cuts 45s like butter. The shadow guide is genius. I mounted it on a DWX724 stand. Perfect combo.
I'm a retired woodworker. This saw is capable, but at my age it's not easy to lug around. It stays in my shop permanently now. The cut quality is superb. If you're younger, you'll love it.
I've put this through hell on a remodel. Still accurate. The XPS is worth it.
I've been a carpenter for 30 years. I've owned many miter saws. This one is my favorite. The XPS light is always correct. The saw holds its adjustment. It's heavy but that's because it's built well. I'd recommend it to any pro.
