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.
A grinding wheel consists of three elements: abrasive grain, bond and pore, as shown in figure 1. As the wheel turns in high speed, its innumerable grains quickly grind workpiece to beautiful finish and precise measurement. This process is called grinding process.