The power train gears and spline shaft are made of the finest quality, heat treated and ground nickel-chrome steel, giving extra strength and smoothness to high torque loads
The spindle is made of the finest case hardened steel for extra strength and wear
The spindle is supported by double row taper roller and thrust ball bearings at the nose, with thrust and radial axis bearings at the top
The spindle is built to withstand exceptionally heavy drilling and boring loads and to insure maximum accuracy