Grade CT3000 K10 K20 P20 P30 TT3500 TT6030 TT8115 TT8125 SPU POSITIVE 11° CLEARANCE FLAT TOP SQUARE INSERTS FOR MEDIUM MACHINING 90° d 11° R l t ANSI ISO feed ap l d t R Number Number (ipr) (inch) SPU321 SPUN090304 .008 (.004-.012) .059 (.039-.138) 0.358 0.375 0.125 0.016 SPU322 SPUN090308 .012 (.006-.016) .059 (.039-.138) 0.343 0.375 0.125 0.031 SPU421 SPUN120304 .008 (.004-.012) .098 (.039-.197) 0.484 0.375 0.125 0.016 SPU422 SPUN120308 .012 (.006-.016) .098 (.039-.197) 0.469 0.500 0.125 0.031 SPU423 SPUN120312 .016 (.008-.020) .098 (.039-.197) 0.453 0.500 0.125 0.047 SPU531 SPUN150404 .008 (.004-.012) .118 (.059-.275) 0.606 0.625 0.187 0.016 SPU633 SPUN190412 .016 (.008-.020) .157 (.059-.354) 0.701 0.750 0.187 0.047 For use in holder CSDPN, see page 1044. Part Number SPU321 SPU322 SPU421 SPU422 SPU423 SPU531 SPU633 =P =M =K =N =S =H 977