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Table of contents

Black+Decker BDCCS20C vs. Rockwell RK3440K

Shopping for a new circular saw? Compare the benefits of the Black+Decker BDCCS20C and Rockwell RK3440K and make an informed purchase!

Lets take a look at these two circular saws: the Black+Decker BDCCS20C and the Rockwell RK3440K.

Black+Decker BDCCS20C
Rockwell RK3440K

Features & Benefits

You can read more in our roundup of the best compact circular saws.

Power & Motor

The RK3440K is corded, runs on 120 V, and draws 4 amps. In the U.S., standard residential circuits are 120 V, 15 A, which will support the.

The BDCCS20C is cordless and runs on 20 V batteries.

The RK3440K motor spins at 3500 rpm. Dont get too caught up in these numbers, since the manufacturers measure them under ideal conditions, meaning they dont have a direct impact on the saws real-world capacity to handle different material.

The BDCCS20C has a direct-drive motor. The RK3440K has a direct motor. Direct-drive motors are usually lighter than other styles, but their side mounting makes the saw a little harder to control.

Blades & Capacity

The BDCCS20C takes 5 1/2 diameter blades and has a 5/8 arbor. The RK3440K accepts 3 3/8 diameter blades and has a 19/32 arbor. Most 8-to-10blades have a 5/8arbor hole, so this size of arbor gives you a lot of options.

The BDCCS20C can bevel the blade up to 45°, can cut up to 1 11/16 deep at 90°, and will cut up to 1 3/8 at a 45° angle. The RK3440K can bevel up to 0° and is able to cut up to 1 1/16 deep at an angle of 90°.

When beveling the saw, most circular saws will have positive stops at common angles such as 45° and 90°. This ensures you are making precise cuts. Some saws have additional stops at other angles.

Both saws have the blade on the left side of the saw. Right-handers sometimes find it easier to see and control blades mounted to the left, while left-handers might find the same true for right-mounted blades.

Pros & Cons

Lets take a look at some of the pluses and minuses of these products.

For the Black+Decker:

Pros

  • Two-handled design for safe operation
  • Depth of cut can handle 2x4s

Cons

  • Motor can struggle on thicker material

For the Rockwell:

Pros

  • Very lightweight
  • Laser guide for accurately following cut lines

Cons

  • Safety mechanism can be confusing, requires pushing plate down onto work surface

Comparison Chart

Heres a full side-by-side comparison of these productsspecs. You can view comparisons of the Black+Decker BDCCS20C with other products

and comparisons of the Rockwell RK3440K with other products.

Black+Decker BDCCS20CRockwell RK3440K
Black+Decker BDCCS20C
Rockwell RK3440K
BrandBlack+DeckerRockwell
Power Typecordlesscorded
Power - Voltage20 V120 V
Power - Ampsn/a4 A
No-load RPM3500 rpm
Blade Diameter5 1/2”3 3/8”
Maximum Bevel45°
Depth of Cut (at 90°)1 11/16”1 1/16”
Depth of Cut (at 45°)1 3/8”n/a
Arbor Size5/8”19/32”
Weight7.6 lbs4 lbs
Blade - Sideleftleft
Drive Mechanismdirect-drivedirect
Stopsn/a
Pros
  • Two-handled design for safe operation
  • Depth of cut can handle 2x4s
  • Very lightweight
  • Laser guide for accurately following cut lines
Cons
  • Motor can struggle on thicker material
  • Safety mechanism can be confusing, requires pushing plate down onto work surface
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