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.
Both types are reinforced, organic bonded wheels having offset hubs which permit side and peripheral grinding operations without interference with the mounting. Type 27 wheels are manufactured with flat grinding rims permitting notching and cutting operations. Type 28 wheels have saucer shaped grinding rims. 1910.211(b)(6)(i)