|Cut Dia. = Shank Dia. |
DC = DMM
|7.4 ||69 ||109 |
Below 2mm - Bright finish.
2mm and above - Steam tempered (Black Oxide Finish).
Excellent for Steels (Soft magnetic/Structural).
Good performance in Carbon/Alloy Steels, Cast iron, Cast Iron, Aluminium and Thermo/Thermosetting plastic materials.