Brush Cutter Blade, 9" x 20T Brush Cutter Blades for Trimmers, Chainsaw Tooth Saw Blade,Chainsaw Brush Cutter Blade for String Trimmer,Weed Eater(2 Pack)

What It Is

A 9-inch, 20-tooth brush cutter blade designed to replace standard string trimmer heads for heavy-duty clearing. It uses chainsaw-style teeth to cut through thick brush, saplings, and woody weeds that would quickly destroy trimmer line.

Fitment & Compatibility

• Arbor size: Most models require a 25.4mm (1”) or 20mm center hole – verify yours before purchase.
• Attachment system: Works with universal trimmer heads that accept standard brush cutter blades (not all straight-shaft trimmers do).
• Shaft type: Straight-shaft trimmers only; curved-shaft models typically lack the torque and safety guard clearance.
• Brand examples: Fits many Echo, Stihl, Husqvarna, Ryobi, and Craftsman straight-shaft trimmers, but always cross-reference your model’s blade adapter kit.
• OEM vs aftermarket: This is a universal aftermarket blade. It does not replace a specific OEM part number – you’ll need the correct washer, nut, and guard setup from your trimmer’s original brush cutter kit.

Key Things to Know

• Safety gear required: Always use a dedicated brush cutter guard (not the stock string trimmer guard), heavy-duty gloves, and eye/ear protection.
• Installation difficulty: Moderate – you’ll need to remove the string head and install the blade with the supplied or existing hardware. Torque to manufacturer specs (typically 15-20 ft-lbs).
• Common gotchas: The 20-tooth design can be aggressive – it’s not ideal for light weeds near fences or walls. Also, the blade must be balanced before first use; an unbalanced blade will vibrate excessively and damage the trimmer shaft.
• Durability: Chainsaw teeth are replaceable on some models, but these are one-piece steel – once dull (usually after heavy use), you’ll need to replace or sharpen them with a file.

Should You Buy It

If you frequently clear heavy brush, blackberries, or saplings up to 1” thick, this blade is a solid, affordable upgrade from trimmer line. It’s not for light trimming or precision edging – stick with line for that. Best for homeowners with a straight-shaft trimmer who want to avoid renting a brush cutter for seasonal clearing.