8731 =  Half Carbide Tipped

* Designed for use wherever high accuracy is required 

* Case hardened to 61 - 63 HRC

Half Dead Centers have a large cut out removing most of the point. They're typically used for additional wheel clearance when grinding small parts whose diameter is less than that of the dead center. The cut away section provides clearance so the grinding wheel can advance to the part without hitting the center.