The teeth of hacksaw blade are bent alternately towards right and left and every third or fourth left straight.
Hacksaw blades have two types of tooth settings.
- Alternate set: In this type of setting, for the length of the blade, one tooth is bent to the left and the following tooth to the right.
- Wavy set: A few teeth are bent to the right and a few to the left in this kind of setting. So, it appears to be a wave.
From the above discussion, it is clear that the teeth of hacksaw blade are bent alternately towards right and left.