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Chainsaw Chain Filing Angles Tables

Hand Filing Angles Table

Chain Size File Diameter Top Plate Filing Angle Side Plate Angle Top Plate Cutting Angle File Position
1/4" 5/32" 30º 10º 85º .025"
.325" Low Profile 4.5 mm 30º 0º 75º .025"
3/8" Low Profile 5/32" 30º 0º 80º .025"
.325" 3/16" 25º 10º 60º .025"
3/8" 7/32" 30º 10º 65º .030"
.404" 7/32" 10º 10º 75º .030"

Machine Grinding Angles Table

Chain Size Wheel Diameter Top Plate Grinding Angle Side Plate Angle Grinding Wheel Position
1/4" 1/8" 30º 10º .025"
.325" Low Profile 1/8" 30º 0º .025"
3/8" Low Profile 1/8" 30º 0º .025"
.325" 3/16" 25º 10º .025"
3/8" 3/16" 30º 10º .030"
.404" 3/16" 10º 10º .030"
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How to Identify My Chainsaw Chain

To identify the saw chain you have, you'll need to find specific information about it. Here’s how you can go about identifying your chain based on the information provided in the "Oregon Guide" document:

  1. Pitch: This is the distance between any three consecutive rivets divided by two. It represents how close the links are on the chain. Common pitches include .325", 3/8", and .404".

  2. Gauge: This measures the thickness of the drive links that fit into the guide bar. Common gauges are .043", .050", .058", and .063".

  3. Cutter Type: Cutters can be chisel, semi-chisel, or micro-chisel. Chisel cutters have a square corner and are faster but not as durable in dirty conditions. Semi-chisel cutters have a rounded corner that stays sharper longer but cuts slower.

  4. Bar Length: This is the length of your chainsaw bar, usually measured from the tip to where it enters the housing of the saw. Common lengths range from 10" to 42".

  5. Saw Models and Recommended Sizes: This information can help match your saw with the appropriate chain, especially if you know the model of your chainsaw. The guide provides details for specific models, including recommended saw sizes for different chains.

  6. ANSI Status: Chains may also be classified by their compliance with certain ANSI (American National Standards Institute) low kickback performance requirements, indicating safety features.

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