JET EGH-1740 Geared Head Lathe w/ACU-RITE 203 DRO & Taper Attachment Concrete and Masonry Screw 5A eliminates the need for

5A eliminates the need for separate right and left parts

giving operators flexibility to choose the appropriate blade for the specific material and cut type required

and why would that be useful

What material are these screws made from

JET EGH-1740 Geared Head Lathe w/ACU-RITE 203 DRO & Taper Attachment Concrete and Masonry Screw 5A eliminates the need forJET EGH 1740 Geared Head Lathe with ACU RITE 203 DRO with Taper Attachment is a precision engineered geared head lathe from JET Elite, purpose built for machinists and production shops demanding consistent, high quality turning performance. Combining the inherent rigidity of Meehanite castings with hardened and ground bedways and gears, this lathe minimizes vibration and deflection while delivering accurate longitudinal movement turn after turn.