French is most widely known for costarring with Michael Landon on two television series. He appeared on Little House on the Prairie (1974â1977), (1981â1984) as Isaiah Edwards (French also directed some episodes of Little House). He appeared on Highway to Heaven (1984â1989) as Mark Gordon.
Diablo's premium 4 in. x 1/4 in. x 5/8 in. Metal Grinding Disc with Depressed Center provides premium performance. It increases productivity. This disc is designed for use in angle grinders and is ideal for all types of metal/stainless steel materials. 1  Diameter - 4 in. 2  Thickness - 1/4 in. 3  Arbor - 5/8 in.  Type 27-depressed 1  center. Recommended use - grinding.  Tool use - angle 1  grinders. Materials - metal/stainless 2  steel. Quantity - one  4 in.
In centerless grinding, the workpiece rotates between a grinding wheel and a regulating drive wheel. The work is supported from below by a fixed work-rest blade. The two basic modes of centerless grinding are thru-feed and in-feed or plunge mode. In the thru-feed mode, the work proceeds in the axial