In this blog, I will explain the different saws that are available to us woodworkers.
- Panel Saw
- Back Saw
The typical Panel saw consists of a tempered steel blade connected to a handle. Along the saw blade are teeth which have been cut depending on it’s intended purpose. Panel saws have a stiff blade so do not require a back to the blade.
Panel saws are available with different tooth patterns.
Ripsaws are used to cut wood along the grain. These saws have fewer teeth per inch than crosscut saws. The reason for this is that the gullet of the tooth is larger and carries away the sawdust faster.
Crosscut Saws have more teeth per inch compared with Ripsaws. The crosscut saw is used to cut wood across the grain.
Handsaws that have the blade reinforced with a steel or brass stiffener to the top. We call all saws that have a back to the blade a ‘Backsaw’. Tenon and Dovetail saws are generally backsaws and require a rigid back because the saw would otherwise buckle on the push stroke.
Types of backsaw
- Tenon Saw
- Mitre Saw
- Sash Saw
- Dovetail Saw
- Gents Saw
The Tenon saw
It might be an obvious statement but the Tenon saw is designed for cutting tenons. The tenon saw is ground and sharpened with crosscut teeth. A Tenon saw will have around 13 TPI or 14 PPI. The tenon saw has a deep blade so you can cut deep tenon shoulders before reaching the back of the saw.
The Mitre saw
A saw that is designed to be used with a mitre box is called a Mitre saw. The Mitre box can be made from wood, plastic or steel. These Mitre saws can be up to 30 inches or 90cm in metric. Although the use of handsaws has a therapeutic feeling it is practical to use an electric mitre box, the chop saw.
The Sash saw
Sash windows are still popular in the UK and colonial Americas. The fabrication of sash windows is a complicated past time and a series of specialist hand tools were made including the Sash saw. Traditionally the Sash saw was used in sash window construction but the name has an inaccurate meaning. Flexible backsaws used for freeing overpainted sash windows are commonly called Sash saws but frankly, this is not correct.
A very fine backsaw with a thin blade is the Dovetail saw. The Dovetail saw has a fine saw pitch of 15 to 20 TPI. If you look at a dovetail you will see the cut will follow the grain. When cutting with the grain we use saws with a rip saw tooth profile. This is why the Dovetail saw has a fine rip tooth pattern.
The Dovetail saw has a narrow kerf on a thin blade. Because of the narrow kerf, it is important that the blade has no kinks or is buckled. Any kinks in the Dovetail saw will render it useless.
The Gent’s saw
A small saw used for cutting small dovetails is the Gents saw. The Gents saw is a tool of the past and not many woodworkers still use it for cutting dovetails. I own a Paramo gents saw which I find useful but frankly, I have little need for it.
Saws with a narrow pointed blade are known as a ‘Keyhole Saw’ sometimes referred to as a ‘Padsaw’. Technically this is incorrect as a ‘Padsaw’ is only the pad style handle normally found on the ‘Keyhole Saw’
The Keyhole saw is used for cutting internal radiuses or circles.
Crosscut VS Rip Saw
All the saws above have other distinguishing factors. One very important fact is the tooth pattern. The sawtooth of the hand saw is designed to either cut wood along the grain or across it. We call saws with each tooth grind: Rip or Crosscut.
The rip saw tooth pattern
Saws with a rip tooth profile are designed to cut wood parallel with the grain. The most common saw to have a rip saw-tooth pattern is the panel saw. Re sharpening the rip saw tooth profile is easy compared to the crosscut profile.
As far as we know the Japanese saw was the original pull saw. Today Japanese style saws are made in many different patterns but essentially they are all ‘Pull Saws’.
You can read our blog on the JAPANESE SAW
The Japanese Dozuki
Handsaws from Japan come in many patterns but the Dozuki is the one that is backed. The biggest difference is that the Dozuki is a pull saw. Any pull saw cuts the wood as you pull the saw towards you instead of pushing the saw as you would with any western saw.
Japanese is used on the Pull Stroke
Saws that have the teeth facing in the opposite direction are known as ‘Pull saws’. To use a Pullsaw you pull the saw towards yourself instead of pushing the saw as you would with a traditional backsaw or panel saw.
Pull saws do not require a back because when we pull the saw through the wood the blade is kept straight under tension. The pull action of the pull saw is also good because the blade is usually thin compared to the back saw or a panel saw.
Crosscut saw tooth pattern
Saws with a crosscut profile are designed to cut wood across the grain sometimes known as perpendicular.
Crosscut saws are available in many different patterns but the most obvious difference that you should concern yourself with the pitch.
This blog is mainly concerned with the different types of woodworking hand saws available but I feel it is important to get into saw pitch.
What is saw pitch?
Saw pitch is the general term given to saws with more or fewer teeth.
Saw pitch is measured in PPI in the USA
PPI stands for ‘Points Per Inch’. What is PPI? Well, the tips of each tooth are known as the points. So we measure the pitch of a saw by counting the points of teeth in one inch of the saw.
Saw pitch is measured in TPI in the UK and mainland Europe
TPI count the teeth not the points but the teeth. We count how many teeth in one inch starting from gullet too gullet.
PPI vs TPI
Although the saw pitch is a general term the two methods of measuring it are not so general. The difference is the outcome. Measuring pitch using PPI always result is one extra tooth count compared with TPI.
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