06/12/2026
A chainsaw chain may look simple, but every part has an important job. Understanding these parts can help you cut more efficiently, sharpen correctly, and improve safety while working.
π **Here's a simple breakdown of each numbered part:**
**1οΈβ£ Top Plate**
The flat top cutting edge of the tooth. This is the main surface that slices through the wood. Keeping it sharp helps the saw cut faster and with less effort.
**2οΈβ£ Cutting Corner**
The sharp point where the top plate and side plate meet. This is the first part that contacts the wood, making it the most important cutting edge on the chain.
**3οΈβ£ Side Plate**
The vertical cutting surface on the side of the tooth. It works together with the top plate to remove wood chips during cutting.
**4οΈβ£ Gullet**
The curved area below the cutter. It collects and clears wood chips away from the cut. A clean, properly shaped gullet improves cutting performance.
**5οΈβ£ Depth Gauge (Raker)**
The small projection in front of the cutter. It controls how deep the cutter bites into the wood. If it's too high, cutting is slow; too low, the chain can become aggressive and unsafe.
**6οΈβ£ Tie Strap**
The link that connects chain components together. It helps maintain chain strength and flexibility as it moves around the guide bar.
**7οΈβ£ Rivet Hole / Rivet Area**
The location where rivets hold the chain links together. Regular inspection is important because worn rivets can weaken the chain.
**8οΈβ£ Drive Link**
The lower part of the chain that fits into the guide bar groove. It guides the chain around the bar and is driven by the saw's sprocket.
π‘ **Quick Tip:**
A sharp chain with properly adjusted depth gauges can reduce fuel consumption, decrease operator fatigue, and make cutting much safer.