Category hub

Cordless Strimmers with a Metal Blade: Compatibility and Safety

A cordless trimmer can use a metal blade only when its manufacturer approves the blade, guard and tool combination. Many standard string trimmers are line-only.

A cordless strimmer metal blade can tackle vegetation beyond ordinary nylon-line work, but the tool must be explicitly approved for that attachment. Check the exact model manual, blade type, guard and harness requirements before buying or fitting one.

Start here

The essentials

Best Cordless String Trimmers for Home and Heavy-Duty Use

Ryobi's 40V RY402013BTL is a versatile starting point for medium yards; DEWALT's 60V tools suit heavier work, while WORX offers compact trim-and-edge models.

Best Cordless String Trimmer Edgers for Lawn Borders

Greenworks' 40V 13-inch tool is a documented two-in-one choice; Makita's XRU24Z adds a rotating head, while attachment systems fit owners who want more outdoor tools.

Our picks

Top picks

Compare them side by side →

Best for a versatile mid-size cutting path

Official manufacturer image

ECHO DSRM-225

Check price on Amazon

Best for a shared Husqvarna battery platform

Official manufacturer image

Husqvarna 220iL

Check price on Amazon

Best for a wide 17-inch swath

Official manufacturer image

ECHO DSRM-2600

Check price on Amazon

By battery and power

Cordless

Cordless battery

Cordless edger

Cordless electric

Show all (5)

Cordless trimmer edger

Brands

Black Decker Cordless

Best picks

Our best-of lists

Best Cordless String Trimmers for Home and Heavy-Duty Use

Ryobi's 40V RY402013BTL is a versatile starting point for medium yards; DEWALT's 60V tools suit heavier work, while WORX offers compact trim-and-edge models.

Best Cordless String Trimmer Edgers for Lawn Borders

Greenworks' 40V 13-inch tool is a documented two-in-one choice; Makita's XRU24Z adds a rotating head, while attachment systems fit owners who want more outdoor tools.

Common questions

Questions before you buy

Can a cordless strimmer use a metal blade?

Some cordless brush cutters are designed for metal blades, but many string trimmers are not. Use one only when the exact tool manual lists it and specifies the correct guard.

Can I put a metal blade on any cordless grass trimmer?

No. Shaft, head, guard and speed requirements vary by model. An unapproved blade can create a hazard or damage the tool.

Are steel blades better than nylon line for a strimmer?

They serve different cutting tasks. Nylon line is common for grass and lawn edges; a compatible metal blade may be intended for tougher vegetation. Follow the model manual.

What should I check before buying a cordless metal blade strimmer?

Verify manufacturer approval for the blade, guard and harness, plus the battery platform and replacement parts for the exact model.