## What do the numbers on a chain mean?

Pitch and gauge together determine the size of chain. Length is determined by counting the number of drive links, also called drive lugs. (see picture below). If you are replacing a Stihl® chain, you can look at the numbers on the side of the chain to determine pitch, gauge, and other characteristics of the chain.

**What do Oregon chain numbers mean?**

Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. OREGON® chain is made in several pitches – 1/4″ is the smallest, 3/8″ is the most popular, 3/4” is the largest.

**How do I identify my chain?**

How to Tell What Size Chain You Have

- The distance from the center of one pin to the center of the next pin, also known as the “pitch” of the roller chain.
- The diameter and width of the roller.
- Plate thickness, determined by measuring the plates from one flat side to another.

### What is the difference between R56 and S56 chainsaw chain?

The difference is the width of the chain track. S56 is . 050″ and R56 is . 043″.

**What size file do I need for a 325 chain?**

File sizes

Chain pitch | Round file diameter |
---|---|

1/4″ | 4.0mm |

.325 | 4.8mm |

3/8″ | 5.2mm |

.404 | 5.5mm |

**How do I identify my chainsaw chain?**

To identify saw chain you need to know the following:

- Gauge. Chain Gauge is the Drive Link’s thickness where it fits into the guide bar groove, matching the guide bar gauge.
- Pitch. Chain pitch is the size of the chain and is defined as the distance between any three consecutive rivets divided by two.
- Cutter Type.
- Sequence.

#### Is 40 chain the same as 420 chain?

Difference between 420 chain and 40 chain Both 420 and 40 chains have the same tensile strength and pitch, the only major difference is the width between the inner plates of #40 is larger than #420 by 1/16″.

**Will a Oregon chain fit a Husqvarna?**

Oregon M72 SpeedCut Chainsaw Chain for 18-Inch Bar -72 Drive Links – fits Husqvarna, Dolmar, Jonsered and more | Oregon Products.

**What size chain does a Dewalt 60V chainsaw use?**

16 in.

Our durable 16 in. Replacement Saw Chain is designed to fit 16 in. bars on the DEWALT® 60V MAX* Cordless Chainsaw (DCCS670). This low-vibration chain is designed to cut smooth and fast with minimum kickback.