RAHQHD 9" 20T Carbon Steel Round Chainsaw-Tooth Brush Blades 2-Pack with Universal Adapters & Files — Fits 1" Straight-Shaft Trimm

These RAHQHD 9-inch, 20-tooth carbon steel round chainsaw-tooth brush blades come as a two-blade kit with universal adapters and files to fit most 1" (25.4mm) straight-shaft trimmers and brush cutters.

Designed for heavy vegetation cutting, this kit pairs hardened carbon steel round chainsaw-tooth blades with a comprehensive set of adapters and three round files so you can mount, adjust, and maintain the blades across a broad range of brands and mower models. The blades are intended for brush clearing—thick weeds, small saplings, and dense undergrowth—and the kit offers two different adapter assemblies so you can match shaft and gearcase sizes without buying extra parts.

How do these blades attach to my trimmer or brush cutter?

Each blade has a 1" (25.4mm) center hole that fits most straight-shaft gas trimmers with a matching gearcase opening. The kit includes two adapter sets to accommodate different shaft configurations and locking hardware so you can secure the blade safely.

• Includes thrust washers, rider plates, lock nuts, and multiple collar nuts for fitment flexibility.
• Two distinct adapter kits in the package to support a wider range of brands and models.
• Simple bolt-and-wrench installation—follow the included visual guidance for correct assembly order.

What materials and durability can I expect from these blades?

The cutting discs are made from high-carbon/manganese steel designed for strength and edge retention when cutting brush and small branches. The adapters and inserts are hardened to resist wear, and the set includes three round files so you can sharpen teeth in the field to extend service life.

• Carbon/manganese steel teeth for impact resistance and longer edge life.
• Hardened inserts and high-hardness adapter components to reduce wear.
• Three round files included to restore tooth edges between uses.

Which brands and models are compatible with the kit?

The adapters were selected to cover the most common shaft profiles and manufacturer configurations. While designed with popular brands in mind, compatibility depends on your tool’s shaft diameter and gearcase style—measure before installing to confirm fit.

• Compatible with many Husqvarna, Stihl, Ego, Oregon, and Hitachi straight-shaft tools.
• Likely fits other brands with a 1" (25.4mm) center hole and similar gearcase mountings.
• Includes parts for aftermarket trimmers such as Coocher, Dewalt, and similar brush trimmers.

How should I use and maintain these blades safely?

These cutting discs are manufactured for cutting vegetation—not for hitting rock, concrete, or other hard objects. Dulling or damage occurs quickly when blades strike solid surfaces, so inspect the area and wear recommended PPE. Regular sharpening and correct torque on the mounting hardware keep the assembly secure and cutting effectively.

• Do not allow the blade to contact stone, metal, or solid obstacles—this damages teeth.
• Wear boots, long pants, and eye protection; the kit includes a glove for hand safety.
• Use included wrenches and follow torque guidance; re-tighten hardware after initial run-in.

Who is this for? This RAHQHD blade and adapter kit is built for homeowners, landscapers, and land managers who need an affordable, multi-fit solution for clearing dense brush and small saplings with a straight-shaft trimmer or brush cutter. If you want tougher cutting teeth than standard plastic blades and prefer a kit that includes mounting hardware and sharpening tools, this set is suited for seasonal maintenance and routine property clearing—provided you observe safety precautions and avoid striking hard materials.