DEWALT FLEXVOLT ADVANTAGE 20V MAX Reciprocating Saw, Cordless, Tool Only (DCS386B)
Category: Reciprocating Saws
Choose DEWALT DCS386B for maximum demolition power; pick Milwaukee M18 for battery ecosystem. DEWALT pairs FLEXVOLT peak power while Milwaukee delivers broad REDLITHIUM runtime options. Reciprocating Saws suit demolition and pruning tasks for both brands.
DEWALT DCS386B vs Milwaukee M18: Power and Performance Comparison
DEWALT shows higher peak cutting force while Milwaukee emphasizes runtime and balance in Reciprocating Saws. The DEWALT FLEXVOLT ADVANTAGE 20V MAX Reciprocating Saw, Cordless, Tool Only (DCS386B) uses a brushless motor. DEWALT claims up to fifty percent more power with FLEXVOLT batteries versus 20V cells. Milwaukee M18 tools trade lower peak output for wide battery choices and common REDLITHIUM packs.
Key technical specifications to compare for demolition work
- DEWALT DCS386B: brushless motor; stroke length 1-1/8 in; variable speed 0-3000 spm; keyless lever-action blade clamp; bright LED; tool-only price 165.90 USD
- Milwaukee M18 (typical M18 FUEL reciprocating saws): brushless motor; common stroke length 1-1/8 in; variable speed up to 3000 spm on many models; REDLITHIUM battery compatibility; many models use tool-free blade change
On thick material, the reviewed DEWALT DCS386B reciprocating saw sustains higher instantaneous torque. Milwaukee M18 systems extend runtime with large REDLITHIUM packs for long demolition sessions. Choose based on whether peak cut speed or continuous runtime matters more for your work.
How do motor type, stroke length and orbital action affect cutting?
DEWALT DCS386B increases cutting speed on dense materials. Stroke length (distance the blade travels per stroke) affects material removal per pass. A longer 1-1/8 inch stroke removes more wood or metal each stroke than shorter strokes. Orbital action (blade moves slightly forward at the top) increases aggressiveness and chip clearing. Brushless motors improve efficiency and maintain RPM under heavy load.
Reciprocating saw includes: battery life, cut speed, ergonomics
Battery chemistry, cut speed, and ergonomics define real-world performance for these tools. The DEWALT FLEXVOLT ADVANTAGE 20V MAX Reciprocating Saw, Cordless, Tool Only (DCS386B) accepts FLEXVOLT or 20V batteries. Milwaukee M18 tools use REDLITHIUM batteries that prioritize runtime and thermal management. Ergonomics like anti-vibe handles and tool weight reduce operator fatigue on long jobs. Cut speed depends on stroke length and blade choice for wood, metal, or composite materials.
Recommended battery and blade pairings for longer jobs
- DEWALT battery options: use FLEXVOLT DCB606 for peak power and best heavy-cut performance, or DCB205 20V cells for lighter work and lower cost
- Milwaukee battery guidance: choose higher-capacity REDLITHIUM packs (for example higher-Ah XC-style packs) to extend continuous cutting time
- Blade choices: bi-metal demolition blades for mixed wood and nails, carbide-grit blades for masonry or fiberglass, and pruning blades for live wood
What typical battery runtimes should I expect during heavy demolition?
DCS386B Reciprocating Saw demonstrates lower runtime under continuous heavy load on a 20V cell. FLEXVOLT batteries supply higher sustained power and therefore extend heavy-duty cutting sessions. Battery capacity (amp-hour, Ah) measures stored energy; higher Ah increases runtime proportionally. Milwaukee M18 with high-capacity REDLITHIUM packs similarly improves runtimes for long demolition tasks. Practical tip: carry two charged packs and use lower speed settings to stretch battery life.
DEWALT DCS386B or Milwaukee M18: cost, durability and maintenance
DEWALT offers strong value for buyers needing raw cutting power at lower tool-only cost. The DEWALT FLEXVOLT ADVANTAGE 20V MAX Reciprocating Saw, Cordless, Tool Only (DCS386B) retails around 165.90 USD. Milwaukee M18 saws typically cost more as a kit but include batteries and chargers, increasing first-time expense. Durability hinges on service networks, brushless motors, and availability of replacement parts. Milwaukee often wins on parts availability and local warranty service in many US regions.
How do lifetime service costs and parts availability impact ownership?
Milwaukee M18 provides broad service networks and convenient parts availability in many US and Canadian markets. DEWALT DCS386B benefits from DEWALT’s widespread service and spare part channels worldwide. Brushless motors reduce routine maintenance by eliminating brushes that wear and require replacement. Battery replacement forms the largest ongoing cost for cordless saw owners over years. Tip: buy one or two spare batteries from the same ecosystem to lower lifetime costs.
Common follow-up questions first-time buyers ask
For pruning small branches, choose a lighter reciprocating tool over heavy FLEXVOLT setups. Milwaukee M18 compact models or a small cordless reciprocating saw reduce fatigue and allow one-handed control. Use pruning blades rated for green wood to prevent binding and to extend battery runtime.
Yes, FLEXVOLT batteries like DCB606 work in 20V MAX tools and shift voltage for 60V tools. That backward and forward compatibility increases tool versatility and lowers total battery costs. Always verify the battery model on older tools to prevent mismatched voltage or unsupported includes.