A diamond pointed chisel is used for cutting V-shaped grooves.
A hacksaw is a fine-toothed saw, originally and mainly made for cutting metal. On hacksaws, as with most frame saws, the blade can be mounted with the teeth facing toward or away from the handle, resulting in cutting action on either the push or pull stroke.
The width of slot cut by a hacksaw blade is Greater than the width of the blade.
The teeth of hacksaw blade are bent Alternately towards right and left and every third or fourth left straight.
A hacksaw blade is specified by its Length.