Teeth per Inch: Difference between revisions
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[[File:TeethPerInch.jpg|200px | [[File:TeethPerInch.jpg|200px|right]] | ||
The coarseness of saw blades is measured as the number of '''Teeth per Inch''' - or '''TPI'''. This is measured between the bottoms, or gullets, of the teeth. Typical values for commonly used saws are as follows: | The coarseness of saw blades is measured as the number of '''Teeth per Inch''' - or '''TPI'''. This is measured between the bottoms, or gullets, of the teeth. Typical values for commonly used saws are as follows: | ||
:* '''[[Ripsaw]]''' - 6 to 8 tpi | |||
:* '''[[Crosscut Saw]]''' - 8 to 10 tpi | |||
:* '''[[Tenon Saw]]''' - 10 to 14 tpi | |||
:* '''[[Dovetail Saw]]''' - 14 to 18 tpi | |||
:* '''[[Coping Saw]]''' - 16 to 24 tpi | |||
:* '''[[Hacksaw]]''' - 18 to 24 tpi | |||
:* '''[[Hacksaw|Junior Hacksaw]]''' - 32 tpi (also 14 tpi woodcutting blade available) | |||
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<span style="color: green">'''Note:''' | <span style="color: green">'''Note:''' | ||
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Alternatively blades can be measured in '''Points per Inch''', which is similar, but measured between teeth tips and so is always one number greater. '''[[Circular Saw]]''' blades are measured by the total number of teeth around the circumference. | Alternatively blades can be measured in '''Points per Inch''', which is similar, but measured between teeth tips and so is always one number greater. '''[[Circular Saw]]''' blades are measured by the total number of teeth around the circumference. | ||
[[Category:Secondary]] | |||
[[Category:Cutting Tools]] | |||
[[Category:Terminology]] | |||
Latest revision as of 10:35, 3 June 2015
The coarseness of saw blades is measured as the number of Teeth per Inch - or TPI. This is measured between the bottoms, or gullets, of the teeth. Typical values for commonly used saws are as follows:
- Ripsaw - 6 to 8 tpi
- Crosscut Saw - 8 to 10 tpi
- Tenon Saw - 10 to 14 tpi
- Dovetail Saw - 14 to 18 tpi
- Coping Saw - 16 to 24 tpi
- Hacksaw - 18 to 24 tpi
- Junior Hacksaw - 32 tpi (also 14 tpi woodcutting blade available)
Note: TPI can also be an abbreviation for Threads per Inch
Alternatively blades can be measured in Points per Inch, which is similar, but measured between teeth tips and so is always one number greater. Circular Saw blades are measured by the total number of teeth around the circumference.