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Tooth Types & Sets

The most common tooth types are the regular tooth and the variable tooth. (Variable tooth is only available in the Bi-Metal). See Below.

REGULAR TOOTH

Straight faced tooth with deep gullets to rake out chips. This style is used for general metal cutting.

HOOK TOOTH

Widely spaced teeth and deep gullets with teeth that have a ten degree undercut face which helps to dig in and take a good cut while the gullets tend to curl the chips. This type is good for harder nonferrous alloys, harder woods and many plastic operations. Available in raker set only.

SKIP TOOTH

Very similar to the hook tooth but characterized by a straight 90 degree tooth and a sharp angle at the junction of the tooth and gullet. This type tends to break up the chips. This style is good for soft nonferrous metals that have a tendency to gum and clog the blade and it is also popular in wood cutting. Available in raker set only.

VARIABLE TOOTH – (Bi-Metal only)

Also known as vari-tooth or broach tooth this tooth has varying set angles and gullet depths. The variable tooth cutting edge reduces vibration while the back absorbs the impacts of cutting in and out of holes, slots and narrow webs. This is the best all-purpose blade for production work and for general shop cut-off and contouring. Use it for cutting off solids bar stock and especially structurals.

Selecting the right number of teeth

Generally choose a coarse tooth (less number of teeth per inch) for large sections and soft metals. Choose a finer tooth (more teeth per inch) for small sections and harder metals. Observe the rules illustrated below.

Tooth Sets

RAKER SET

RAKER SET has one tooth set to the right, one tooth set to the left and one tooth is straight. This is used for most production cutting of thick, solid metal sections on horizontal saws.

WAVY SET

WAVY SET has teeth set in groups with gradual increasing set to left and right. It is generally made with many teeth per inch and used for cutting thin sections such as sheets, tubes, pipes and small shapes.

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