Grade CT3000 KT450 P20 TT3500 TT5100 TT8115 TT8125 SPMR CHIPBREAKER POSITIVE 11° CLEARANCE SQUARE INSERTS FOR MEDIUM MACHINING 90° d 11° R l t ANSI ISO feed ap l d t R D1 Number Number (ipr) (inch) SPMR321 SPMR090304 .006 (.004-.010) .059 (.028-.138) 0.358 0.375 0.125 0.016 - SPMR322 SPMR090308 .007 (.005-.012) .059 (.039-.138) 0.343 0.375 0.125 0.031 - SPMR421 SPMR120304 .006 (.004-.010) .079 (.039-.197) 0.484 0.500 0.125 0.016 - SPMR422 SPMR120308 .007 (.005-.012) .079 (.039-.197) 0.469 0.500 0.125 0.031 - SPMR423 SPMR120312 .008 (.006-.014) .079 (.039-.197) 0.453 0.500 0.125 0.047 - For use in holder CSDPN, see pages 1044. Part Number SPMR321 SPMR322 SPMR421 SPMR422 SPMR423 =P =M =K =N =S =H 976