Hack Saw Blades and Its Sizes

Hack Saw Blades and Its Sizes Points : Hack Saw Blades and Its Sizes, Types of Blades Hack Saw blade is prepared of good solid, tamper alloy steel by set teeth. Types of Blades There are three types of blades in ordinary use.
(a) All Hard
(b) Semi-Flex
(c) Flexible back) Size Generally use blades are 20, 25 also 30cm in length. They are as regards 1.25cm thick and 0.062cm deep. Length is calculated among the middle of two holes.