The blade edge is cobalt high speed steel (contains 8%) and the back is made of special spring steel bimetal construction.
It is hard to break and chip resistant, so you dont have to replace it.
In order to apply to a wide variety of materials, we have a large selection of materials ranging from 3.0 to 5.9 inches (75 to 150 mm).
Threads: 18
Length: 3.5 inches (90 mm)
Thickness: 0.04 inch (1.0 mm)
Width: 0.4 inches (10 mm)