DeWalt 20V MAX 6-1/2 in. Circular Saw Kit

20V MAX 6-1/2 in. Circular Saw Kit

Features

  • Approximately 5,150 rpm motor
  • 0°–50° bevel capacity
  • 6-1/2 in. carbide-tipped blade
  • Magnesium shoe for durability and cut accuracy
  • Rubber over-molded comfort grip for improved balance and control
  • Includes one 20V MAX 5.0 Ah lithium-ion battery and a fast charger
  • Keyed blade change with spindle lock
  • Sidewinder drive, left-blade orientation
  • Maximum cut depths suitable for common framing and finish work

Specifications

Arbor Size (In) 5/8
Battery Capacity (Ah) 5
Battery Type Lithium Ion
Bevel Capacity (Deg) 0°–50°
Blade Diameter (In) 6-1/2
Disc Diameter (In) 6-1/2
Blade Location Left
Has Led Light No
Battery Included Yes
Set Included Yes (battery, charger, blade, kit bag)
Max Depth Of Cut At 45° (In) 1-5/8
Max Depth Of Cut At 90° (In) 2-1/8
No Load Speed (Rpm) 5150 (approx.)
Motor Type Brushed
Power Source Cordless (20V)
Power (W) 40
Product Height (In) 9.31
Product Length (In) 13.0
Product Width (In) 17.62
Product Weight (Lbs) 7
Color Yellow, Black
Warranty 3 Year Limited Warranty; 1 Year Free Service; 90 Days Satisfaction Guaranteed

Cordless 6-1/2 in. circular saw with a motor that delivers around 5,150 rpm, a 0°–50° bevel range, and a lightweight magnesium shoe for durability and consistent cut alignment. The kit includes a 20V 5.0 Ah lithium-ion battery, a charger, and a 6-1/2 in. carbide-tipped blade. Intended for general wood-cutting and common construction tasks.

Model Number: DCS391P1
View Manual

DeWalt 20V MAX 6-1/2 in. Circular Saw Kit Review

4.6 out of 5

Corded circular saws still rule the framing site, but there are plenty of days when I’m happy to leave the cord in the truck. That’s exactly where the DeWalt 20V 6-1/2-in. saw has earned a spot in my kit: fast to grab, light in the hand, and confidence-inspiring for everyday wood cuts without the tether.

Setup, build, and first impressions

Right out of the bag, the saw feels familiar in the best way. The magnesium shoe is flat, rigid, and resists dings—important if you’re sliding across sawhorses or a jobsite table all day. The saw arrives with a carbide-tipped blade, a 5.0 Ah battery, and a charger, so you can be cutting within minutes.

Controls are straightforward. The depth and bevel levers are chunky enough to use with gloves, and they lock down securely. The bevel scale is easy to read, and the saw swings from 0° to 50°. There aren’t fancy micro-adjusts here; it’s a classic, dependable mechanism that stays put once set. The spindle lock and included hex key make blade changes simple. No toolless gimmicks—just a positive lock and a bolt that breaks free without drama.

There’s no onboard LED and no dust port, which is worth noting if you’re used to newer saws with more features. The lack of dust management is typical at this price point, but I still wish there were at least a vac adapter for shop work.

Ergonomics and visibility

At around 7 pounds bare and a touch more with the 5.0 Ah pack, the saw is easy to maneuver one-handed when you’re steadying a sheet with the other. The rubber over-molded grip feels secure, and the top handle gives you a natural push angle when you’re ripping. What stands out is the left-blade orientation. As a right-handed user, my sightline to the cut line is excellent. I can track a pencil mark without leaning over the tool or lifting the guard excessively. That’s a small thing that adds up when you’re making repeat cuts.

Guard action is smooth—no sticking, even when trimming thin rips off plywood. The shoe glides cleanly over lumber and sheet goods, and the front edge gives me a reliable reference when I’m starting a crosscut.

Power and cut quality

On paper, the no-load speed sits around 5,150 rpm, and in practice the saw is happiest with framing lumber, plywood, and general carpentry cuts. With the stock blade, crosscuts in SPF 2x material are quick and clean with minimal tear-out. Ripping 3/4-in. plywood works fine; I did several 8-foot rips using a straightedge without bogging the motor, but feeding too fast or trying to muscle through knots will slow it down. This is a brushed motor, and while it has enough grunt for everyday work, it doesn’t have the headroom of a premium brushless 7-1/4-in. saw. If you let the blade do the work and keep a steady feed, it stays smooth and controllable.

Swapping to a higher-quality blade makes a noticeable difference. A 24T framing blade speeds through construction lumber, and a 40T or 60T blade leaves cleaner edges in plywood and trim. The base stays aligned under load, and I didn’t see the cut line drifting even when leaning into long rips.

Capacity, bevels, and accuracy

Capacity is exactly what you’d expect from a 6-1/2-in. sidewinder: 2-1/8 in. at 90° and 1-5/8 in. at 45°. That covers 2x material comfortably, even on bevel cuts. Beveling to 45° holds true—my test cuts paired up tight without light showing through the joint. The saw will tip a bit beyond 45° to 50° for those occasional off-angle trims. I checked for shoe-to-blade parallelism and fence alignment out of the box; everything was square and stayed that way after a couple of days of deck and fence work.

For breaking down sheet goods, the saw tracks nicely against a guide. It’s compact enough to feel precise on narrow rips, where larger 7-1/4-in. saws can feel top-heavy. If you do a lot of track-guided cuts, the lack of a dust port means you’ll need to accept more cleanup, but the cut quality itself is solid with the right blade.

Runtime and battery management

With the included 5.0 Ah pack, runtime is reasonable for a day of light to moderate tasks. I handled all the cuts for a small fence section—2x4 rails and picket trimming—on a single battery with charge to spare. On heavier ripping days or when pushing through pressure-treated lumber, I plan on one spare pack in rotation to stay productive. As always, blade sharpness matters: a good, sharp framing blade keeps the motor from laboring and extends runtime noticeably.

The brushed motor is a bit louder than comparable brushless models and has that familiar brushed whine. Heat buildup wasn’t an issue in my use, but I did give the saw a quick rest between back-to-back rips to keep things happy.

Safety and usability notes

The trigger and safety are positive without being finicky, and the blade guard returns reliably after a cut. Blade coast-down is reasonably quick, which helps when you’re moving between cuts. Because there’s no LED, I relied on ambient light and the left-blade sightline, which genuinely helps on pencil marks in low contrast lumber. The shoe edges are square and trustworthy; I found myself using the front notch as a consistent reference for both 90° and 45° cuts once I learned its exact kerf alignment with my chosen blade.

One omission I felt in daily use is the lack of a rafter hook. If you’re up on a ladder or working between sawhorses, you’ll wish you had a place to park it. It’s not a deal-breaker, but it’s the kind of small convenience that makes a difference over time.

Where this saw fits

If your workload is predominantly framing houses all day, a larger, brushless 7-1/4-in. saw will be faster, stronger through knots, and offer deeper cuts. But for remodelers, DIYers, punch-list carpenters, and anyone who values portability, this 20V 6-1/2-in. saw hits a sweet spot. It’s compact, well-balanced, and powerful enough for typical jobsite cuts without feeling overbuilt. The kit format also makes sense if you’re starting or expanding in the 20V Max battery system; the included 5.0 Ah battery is a versatile size for other tools.

What I like

  • Balanced, lightweight feel with excellent visibility from the left-blade layout
  • Rigid magnesium shoe that stays true and resists damage
  • Solid depth and bevel adjustments that lock down securely
  • Respectable power for typical 2x lumber, plywood, and general carpentry
  • Kit value: a 5.0 Ah battery and charger that slot into the broader 20V lineup

What could be better

  • Brushed motor lacks the torque and efficiency of newer brushless models
  • No dust port means more cleanup, especially in the shop
  • No LED worklight or rafter hook
  • 6-1/2-in. capacity is limiting for thicker stock and some specialty cuts

The bottom line

The DeWalt 20V 6-1/2-in. saw is a dependable, easy-to-handle circular saw that trades headline-grabbing features for straightforward performance. It’s at its best making everyday cuts in framing lumber and sheet goods, where its combination of balance, visibility, and accurate tracking save time and frustration. It won’t out-muscle a top-end brushless 7-1/4-in. saw, and if you routinely fight through wet, knotted PT or work in dust-sensitive spaces, you’ll want more power and better dust collection.

Recommendation: I recommend this saw for DIYers, remodelers, and pros who want a capable, lightweight cordless circular saw for day-to-day tasks and punch list work, especially if you’re already invested in DeWalt 20V batteries. It offers reliable cut accuracy, good ergonomics, and respectable runtime in a value-oriented kit. If you need maximum torque, deeper cuts, and features like dust extraction, look to a brushless 7-1/4-in. upgrade; otherwise, this is a well-rounded tool that earns its keep.



Project Ideas

Business

Custom Closets and Floating Shelves

Offer on-site measurement, cutting, and install of closet systems and floating shelves. The cordless saw makes precise rips and bevels without dragging cords through homes, and the 2-1/8 in. depth of cut handles 2x and laminated shelves. Upsell LED lighting and matching face trim.


Garden Beds and Planter Box Builds

Design and deliver cedar raised beds and beveled planters tailored to client spaces. Batch components with repeatable stop-block cuts and use 30–45° bevels for premium joinery. Offer seasonal maintenance and soil refresh packages for recurring revenue.


Pop-Up Vendor Displays and Signs

Fabricate collapsible risers, nesting crates, A-frame signs, and lightweight tables for market vendors. The saw’s portability lets you build on location for perfect fit; bevel edges for a finished look and brand with stencils. Rent or sell kits in standard booth sizes.


Deck Board and Exterior Trim Repair

Provide quick-turn replacement of cupped deck boards, fascia, and soffit trims. Cordless power is ideal for roofs and backyards; accurate bevels match existing trim angles. Pair with a small assortment of fasteners and sealants for a tidy mobile service.


Event Backdrops and Arch Rentals

Build modular panel backdrops, geometric arches, and photo walls from plywood frames with beveled seams. Design for quick assembly with hidden cleats and knock-down hardware. Rent packages with color options and upsell delivery, setup, and signage personalization.

Creative

Mid-Century Slat Bench

Rip and crosscut 2x stock and plywood to create a classic slat bench with clean lines. Use 10–15° bevels to soften edges and 45° miters for the skirt rails. The left-blade orientation improves cut-line visibility, and the 2-1/8 in. max depth handles common 2x material with ease.


Hexagon Beveled Planters

Build geometric planters by cutting six equal boards with 30° bevels for tight polygon miters. The 0°–50° bevel range makes dialing in angles easy, and the magnesium shoe keeps seams crisp. Finish in different heights for a clustered patio set.


Floating Picture Ledges Set

Batch-cut narrow plywood and 1x boards to make minimalist floating ledges with a slight 5–10° face bevel for a sleek shadow line. Use long rips with a straightedge guide for consistency, then pre-drill hidden mounting slots. Make multiple lengths to stage a gallery wall.


Knock-Down Plywood Workbench

Cut 3/4 in. plywood panels into a torsion-top and wedge-tenon legs that slot together without screws. The saw’s portability lets you break down full sheets on site using a foam-supported cutting surface and a guide rail for dead-straight cuts. Add 45° chamfers on exposed edges for comfort.


Reclaimed Herringbone Wall Art

Crosscut reclaimed boards into equal lengths and miter the ends at 45° for a herringbone pattern on a plywood backer. The saw’s 5,150 rpm motor gives clean crosscuts; align pieces with a center reference and trim the perimeter for a crisp frame. Vary stains for a gradient effect.