Understanding the difference between scroll saw blades, both in application and manufacturing.
What you should know about scroll saw blades, how they are made, and when they should be used.
Pinned and plain end scroll saw blades are made from pre tempered high carbon steel, into which regular or skip shaped teeth are either punched or milled, then set. Pinning follows where needed, then the blades are cut to length. These types of blades are usually wide, thick, and have set teeth to provide clearance for the back of the blade while cutting curves. Earlier scroll saws, such as the 24” Delta/Rockwell and Powermatic as well as the Sprunger and Shop smith, have loaded or spring actuated mechanisms which require plain end blades. Pin end blades are also still popular for many contemporary scroll saws on the more economical side.
Spiral and metal cutting blades
Spiral and metal cutting blades have regularly shaped teeth. These teeth are mostly milled, although some metal cutting, or jeweler’s saw blade teeth are formed with a file. Spiral blades are twisted to expose teeth all around the blade, then they are hardened, cooled and cut to length. These blades are perfect for multi direction complicated bends that require maneuverability. Keep in mind that using a spiral blade for a straight cut may be a bit more challenging.
Precision ground tooth blades
Precision ground tooth blades are produced by special grinding machines developed by the Olson Saw Company. The material is pre-tempered high carbon steel, into which the teeth are ground twice to produce an ultra-sharp edge all around the tooth, face, and gullet of the blade. They are then cut to length on an angle to indicate tooth direction. These blades have no tooth set and no burs. The will cut straight lines and tight radii providing a wood finish that is very smooth.
Picking the right tool for the job the first time is crucial to your scrolling success!
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