DEWALT 20" Replacement Saw Chain for DCCS677B — 20-inch Bare Chain, Restores Cutting Performance

DEWALT's 20-inch replacement saw chain for the DCCS677B restores cutting performance for your 20" chainsaw bar.

If your DCCS677B cordless chainsaw needs a fresh cutting edge, this DEWALT 20-inch saw chain is designed as a direct replacement option. It provides a straightforward way to renew cutting efficiency without replacing the entire saw or bar. The chain ships as a bare-tool component intended for installers and owners who already have the compatible DEWALT guide bar and drive sprocket.

How will this chain affect my saw's cutting performance?

Replacing a worn chain returns sharpness and consistent cutting action, reducing strain on the motor and improving control. While performance depends on blade condition and proper installation, a fresh chain typically cuts cleaner and more predictably than a dull one.

• Restores crisp cutting when matched to a 20" bar
• Reduces binding and uneven cutting caused by dull links
• Helps maintain motor efficiency by minimizing resistance

Will this fit my tool and how do I install it?

This chain is intended for use with DEWALT DCCS677B models that accept a 20-inch chain and bar. Installation requires removing the bar cover, fitting the chain onto the bar and sprocket, then tensioning to manufacturer specifications. Always follow the saw's user manual and disconnect battery power before maintenance.

• Designed for DEWALT DCCS677B applications using a 20" bar
• Install by aligning drive links on the bar groove and sprocket
• Tension and lubricate per DEWALT's recommended procedure

How do I maintain and sharpen the chain to extend its life?

Regular maintenance keeps the chain cutting well and safer to use. Clean debris, check tension frequently, and sharpen or replace when cutters become blunt or damaged. Proper bar lubrication and checking sprocket wear will also extend chain life.

• Clean sawdust and pitch buildup after heavy use
• Check and adjust tension before each job
• Sharpen cutters with the correct file size or use a professional sharpening service

Are there safety considerations when replacing a chain?

Yes — chain replacement and maintenance involve sharp parts and moving mechanisms. Always remove the battery, wear cut-resistant gloves, and follow DEWALT's safety steps. Inspect the chain and bar for damage before returning the saw to service.

• Disconnect battery before doing any maintenance
• Wear protective gloves and eye protection when handling the chain
• Replace the chain if links, cutters, or drive links are cracked or excessively worn

Who is this for: This DEWALT 20-inch replacement saw chain is aimed at owners of the DCCS677B cordless chainsaw or compatible 20" DEWALT guide bars who want to refresh cutting performance without buying a new saw. It suits contractors, landscapers, and homeowners who perform regular chainsaw maintenance and are comfortable installing and tensioning a replacement chain themselves.