Cutter is machined from a solid piece of Tungsten Carbide and provide the greatest durability when used under stress load conditions.
Offers better plunge cutting characteristics than TCT.
Many more re-sharpenings can be obtained from STC tools.
A harder grade of carbide is used as the tool is not brazed.
Two flute - finer finish.

Dimensions:
D=1/4 inch
D=6.3 mm
Cut length=11 mm
OL=51 mm
Shank Diameter= 1/4 inch