Crosscut Saw Tooth Reference Guide

The following is a reference guide for crosscut saw tooth patterns. It redistributes select pages from the public domain U.S. Government publication “Crosscut Saw Manual” by the United State Forest Service of the U.S. Department of Agriculture.

Sources:


Tooth Patterns

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  • Plain Tooth Pattern – Cutter teeth only. Best for cutting dry, very hard or brittle small-diameter wood. Also known as a peg tooth pattern.
  • M Tooth Pattern – Competition saw. Very aggressive cutting as teeth cut and rake. Depends on arm strength. Fatiguing. Best for cutting dry, medium-to-hard woods.
  • Great American Tooth Pattern – Competition saw. Very aggressive cutting as teeth cut and rake. Depends on arm strength. Fatiguing. Best for cutting dry, medium-to-hard woods.
  • Champion Tooth Pattern – Large cutter teeth and unset raker. Best for heavy sawing in extra hard, dry, or frozen wood. Also known as a tuttle tooth pattern.
  • Lance Tooth Pattern – Best for cutting soft green timber (fir, spruce, and redwood).
  • Perforated–Lance Tooth Pattern – Bridge strengthened cutter teeth. Best for all but hard and frozen wood.

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Saw Cutting

  • Cutter Teeth – Release wood fibers on each side of the kerf as it passes through a log
    • Kerf – Is the slot a saw makes while cutting
    • Set – Is the distance the tip of a cutter tooth is bent away from the saw plane
  • Rakers – Break loose the cut fibers and remove them from the log
  • Gullets – Store the severed wood fibers as they move through the kerf
  • Tooth Spacing – Determines the size of the gullets and the aggressiveness of the cut

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Rakers

  • Efficient rakers are slightly shorter than cutter teeth
  • Raker depth of 0.008” is optimal for hard or dry wood
  • Raker depth of 0.030” is optimal for soft springy wood

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Testing a Saw

Problem Possible Cause
Jumping or catching
  • Rakers too long
  • Uneven set
Binding
  • Too little set
  • Curved cut
Curved cut
  • Too much set
  • Uneven set
  • Poor technique

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Glossary

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Other Reference Guides:

Manufactured Vintage Two-Man & One-Man Crosscut Saws

For illustrations and details of quality vintage saws by well known manufactures, check out the following guides.




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