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The DeWalt DCS577X1 is a 7-1/4-inch cordless saw built in the rear-handle, worm drive style: the motor sits behind the blade and drives it through gears, which gives the long, torquey cut framers expect from a corded worm drive. Its brushless motor spins at 5,800 RPM and runs on DeWalt's 60V FlexVolt battery, and the kit includes a 9.0Ah pack. The blade is on the left for a clear view of the line, and the shoe is die-cast magnesium to keep weight down. It suits framers, deck builders and remodelers cutting dimensional lumber and sheathing all day; against 18V rear-handle saws it trades battery bulk and weight for more power, and against corded worm drives it gives up nothing in torque but adds battery cost and charging to the day.
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Lowest price we've seen: $479.99 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.
Owners treat it as a corded worm drive replacement, praising the torque and cut speed in thick lumber. The main complaints are weight and the cost of staying on the FlexVolt battery line.
The DeWalt DCS577X1 is a 7-1/4 inch cordless worm drive style circular saw kit on the 60V MAX FLEXVOLT platform. It has a brushless motor with a no-load speed of 5,800 RPM and comes with a 9.0Ah lithium-ion battery. It is built for ripping, cross-cutting and bevel cuts in dimensional lumber, subfloor panels, OSB sheathing and engineered timber.
The saw has a rear-handle design with the blade on the left side, which gives a clear view of the cut line. The base shoe and gearcase are die-cast magnesium. An electronic blade brake stops the blade after the trigger is released. The bevel capacity is 53 degrees, with positive stops at 22.5 and 45 degrees.
A dust blower clears sawdust from the front sight notch. A folding rafter hang hook is built in, and the blade wrench stores on the saw.
