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| Material Number | 1985350 |
| ISO Catalog ID | RNMN120300S02020 |
| ANSI Catalog ID | RNM42S0820 |
| Grade | KB9640 |
| [D] Insert IC Size | 12.7 mm |
| [D] Insert IC Size | .5 in |
| [S] Insert Thickness | 3.18 mm |
| [S] Insert Thickness | .125 in |
Grades
KB9640
composition: A high CBN content, solid PCBN structure having multiple
cutting edges and a CVD alumina coating.
application: The KB9640 grade is applied in the roughing to semifinishing
of fully pearlitic gray cast iron, chilled irons, high-chrome alloy
steels, sintered powdered metals, and heavy cuts in hardened steels
(>45 HRC). Also use for finished chilled cast iron and fully pearlitic cast
iron. Do not apply on finishing hardened steels. The solid KB9640 also
can be effectively applied when roughing hardened steels.
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